diff --git a/.evergreen/config/generated/build/build-libmongoc.yml b/.evergreen/config/generated/build/build-libmongoc.yml
index dd915b927..62cf0f075 100644
--- a/.evergreen/config/generated/build/build-libmongoc.yml
+++ b/.evergreen/config/generated/build/build-libmongoc.yml
@@ -12,7 +12,7 @@ tasks:
       - func: "compile driver"
         vars:
           PHP_VERSION: "8.3"
-          LIBMONGOC_VERSION: "1.29.0"
+          LIBMONGOC_VERSION: "1.30.0"
       - func: "upload build"
 
   - name: "build-php-8.3-libmongoc-next-stable"
@@ -21,7 +21,7 @@ tasks:
       - func: "compile driver"
         vars:
           PHP_VERSION: "8.3"
-          LIBMONGOC_VERSION: "r1.29"
+          LIBMONGOC_VERSION: "r1.30"
       - func: "upload build"
 
   - name: "build-php-8.3-libmongoc-latest"
diff --git a/.evergreen/config/templates/build/build-libmongoc.yml b/.evergreen/config/templates/build/build-libmongoc.yml
index 606fb24c0..53e57f2cb 100644
--- a/.evergreen/config/templates/build/build-libmongoc.yml
+++ b/.evergreen/config/templates/build/build-libmongoc.yml
@@ -10,7 +10,7 @@
       - func: "compile driver"
         vars:
           PHP_VERSION: "%phpVersion%"
-          LIBMONGOC_VERSION: "1.29.0"
+          LIBMONGOC_VERSION: "1.30.0"
       - func: "upload build"
 
   - name: "build-php-%phpVersion%-libmongoc-next-stable"
@@ -19,7 +19,7 @@
       - func: "compile driver"
         vars:
           PHP_VERSION: "%phpVersion%"
-          LIBMONGOC_VERSION: "r1.29"
+          LIBMONGOC_VERSION: "r1.30"
       - func: "upload build"
 
   - name: "build-php-%phpVersion%-libmongoc-latest"
diff --git a/config.m4 b/config.m4
index 57f2c42c5..89a7e3e64 100644
--- a/config.m4
+++ b/config.m4
@@ -277,7 +277,7 @@ if test "$PHP_MONGODB" != "no"; then
   PHP_MONGODB_MONGOCRYPT_VERSION_STRING="None"
 
   if test "$PHP_MONGODB_SYSTEM_LIBS" != "no"; then
-    PKG_CHECK_MODULES([PHP_MONGODB_BSON], [libbson-1.0 >= 1.29.0], [
+    PKG_CHECK_MODULES([PHP_MONGODB_BSON], [libbson-1.0 >= 1.30.0], [
       PHP_MONGODB_BSON_VERSION=`$PKG_CONFIG libbson-1.0 --modversion`
       PHP_MONGODB_BSON_VERSION_STRING="System ($PHP_MONGODB_BSON_VERSION)"
 
@@ -285,10 +285,10 @@ if test "$PHP_MONGODB" != "no"; then
       PHP_EVAL_LIBLINE($PHP_MONGODB_BSON_LIBS, MONGODB_SHARED_LIBADD)
       AC_DEFINE(HAVE_SYSTEM_LIBBSON, 1, [Use system libbson])
     ],[
-      AC_MSG_ERROR([Could not find system library for libbson >= 1.29.0])
+      AC_MSG_ERROR([Could not find system library for libbson >= 1.30.0])
     ])
 
-    PKG_CHECK_MODULES([PHP_MONGODB_MONGOC], [libmongoc-1.0 >= 1.29.0], [
+    PKG_CHECK_MODULES([PHP_MONGODB_MONGOC], [libmongoc-1.0 >= 1.30.0], [
       PHP_MONGODB_BSON_VERSION=`$PKG_CONFIG libbson-1.0 --modversion`
       PHP_MONGODB_BSON_VERSION_STRING="System ($PHP_MONGODB_BSON_VERSION)"
 
@@ -296,7 +296,7 @@ if test "$PHP_MONGODB" != "no"; then
       PHP_EVAL_LIBLINE($PHP_MONGODB_MONGOC_LIBS, MONGODB_SHARED_LIBADD)
       AC_DEFINE(HAVE_SYSTEM_LIBMONGOC, 1, [Use system libmongoc])
     ],[
-      AC_MSG_ERROR(Could not find system library for libmongoc >= 1.29.0)
+      AC_MSG_ERROR(Could not find system library for libmongoc >= 1.30.0)
     ])
 
     if test "$PHP_MONGODB_CLIENT_SIDE_ENCRYPTION" != "no"; then
@@ -393,11 +393,11 @@ if test "$PHP_MONGODB" != "no"; then
     fi
 
     dnl Sources below are updated by scripts/update-submodule-sources.php
-    PHP_MONGODB_COMMON_SOURCES="common-atomic.c common-b64.c common-md5.c common-thread.c"
+    PHP_MONGODB_COMMON_SOURCES="common-atomic.c common-b64.c common-json.c common-md5.c common-oid.c common-string.c common-thread.c"
     PHP_MONGODB_KMS_MESSAGE_SOURCES="hexlify.c kms_azure_request.c kms_b64.c kms_caller_identity_request.c kms_crypto_apple.c kms_crypto_libcrypto.c kms_crypto_none.c kms_crypto_windows.c kms_decrypt_request.c kms_encrypt_request.c kms_gcp_request.c kms_kmip_reader_writer.c kms_kmip_request.c kms_kmip_response.c kms_kmip_response_parser.c kms_kv_list.c kms_message.c kms_port.c kms_request.c kms_request_opt.c kms_request_str.c kms_response.c kms_response_parser.c sort.c"
     PHP_MONGODB_BSON_SOURCES="bcon.c bson-atomic.c bson.c bson-clock.c bson-context.c bson-decimal128.c bson-error.c bson-iso8601.c bson-iter.c bson-json.c bson-keys.c bson-md5.c bson-memory.c bson-oid.c bson-reader.c bson-string.c bson-timegm.c bson-utf8.c bson-value.c bson-version-functions.c bson-writer.c"
     PHP_MONGODB_JSONSL_SOURCES="jsonsl.c"
-    PHP_MONGODB_MONGOC_SOURCES="mcd-azure.c mcd-nsinfo.c mcd-rpc.c mongoc-aggregate.c mongoc-apm.c mongoc-array.c mongoc-async.c mongoc-async-cmd.c mongoc-buffer.c mongoc-bulk-operation.c mongoc-bulkwrite.c mongoc-change-stream.c mongoc-client.c mongoc-client-pool.c mongoc-client-session.c mongoc-client-side-encryption.c mongoc-cluster-aws.c mongoc-cluster.c mongoc-cluster-cyrus.c mongoc-cluster-sasl.c mongoc-cluster-sspi.c mongoc-cmd.c mongoc-collection.c mongoc-compression.c mongoc-counters.c mongoc-crypt.c mongoc-crypto.c mongoc-crypto-cng.c mongoc-crypto-common-crypto.c mongoc-crypto-openssl.c mongoc-cursor-array.c mongoc-cursor.c mongoc-cursor-change-stream.c mongoc-cursor-cmd.c mongoc-cursor-cmd-deprecated.c mongoc-cursor-find.c mongoc-cursor-find-cmd.c mongoc-cursor-find-opquery.c mongoc-cursor-legacy.c mongoc-cyrus.c mongoc-database.c mongoc-deprioritized-servers.c mongoc-error.c mongoc-find-and-modify.c mongoc-flags.c mongoc-generation-map.c mongoc-gridfs-bucket.c mongoc-gridfs-bucket-file.c mongoc-gridfs.c mongoc-gridfs-file.c mongoc-gridfs-file-list.c mongoc-gridfs-file-page.c mongoc-handshake.c mongoc-host-list.c mongoc-http.c mongoc-index.c mongoc-init.c mongoc-interrupt.c mongoc-libressl.c mongoc-linux-distro-scanner.c mongoc-list.c mongoc-log.c mongoc-matcher.c mongoc-matcher-op.c mongoc-memcmp.c mongoc-ocsp-cache.c mongoc-opcode.c mongoc-openssl.c mongoc-optional.c mongoc-opts.c mongoc-opts-helpers.c mongoc-queue.c mongoc-rand-cng.c mongoc-rand-common-crypto.c mongoc-rand-openssl.c mongoc-read-concern.c mongoc-read-prefs.c mongoc-rpc.c mongoc-sasl.c mongoc-scram.c mongoc-secure-channel.c mongoc-secure-transport.c mongoc-server-api.c mongoc-server-description.c mongoc-server-monitor.c mongoc-server-stream.c mongoc-set.c mongoc-shared.c mongoc-socket.c mongoc-ssl.c mongoc-sspi.c mongoc-stream-buffered.c mongoc-stream.c mongoc-stream-file.c mongoc-stream-gridfs.c mongoc-stream-gridfs-download.c mongoc-stream-gridfs-upload.c mongoc-stream-socket.c mongoc-stream-tls.c mongoc-stream-tls-libressl.c mongoc-stream-tls-openssl-bio.c mongoc-stream-tls-openssl.c mongoc-stream-tls-secure-channel.c mongoc-stream-tls-secure-transport.c mongoc-timeout.c mongoc-topology-background-monitoring.c mongoc-topology.c mongoc-topology-description-apm.c mongoc-topology-description.c mongoc-topology-scanner.c mongoc-ts-pool.c mongoc-uri.c mongoc-util.c mongoc-version-functions.c mongoc-write-command.c mongoc-write-concern.c service-gcp.c"
+    PHP_MONGODB_MONGOC_SOURCES="mcd-azure.c mcd-nsinfo.c mcd-rpc.c mongoc-aggregate.c mongoc-apm.c mongoc-array.c mongoc-async.c mongoc-async-cmd.c mongoc-buffer.c mongoc-bulk-operation.c mongoc-bulkwrite.c mongoc-change-stream.c mongoc-client.c mongoc-client-pool.c mongoc-client-session.c mongoc-client-side-encryption.c mongoc-cluster-aws.c mongoc-cluster.c mongoc-cluster-cyrus.c mongoc-cluster-sasl.c mongoc-cluster-sspi.c mongoc-cmd.c mongoc-collection.c mongoc-compression.c mongoc-counters.c mongoc-crypt.c mongoc-crypto.c mongoc-crypto-cng.c mongoc-crypto-common-crypto.c mongoc-crypto-openssl.c mongoc-cursor-array.c mongoc-cursor.c mongoc-cursor-change-stream.c mongoc-cursor-cmd.c mongoc-cursor-cmd-deprecated.c mongoc-cursor-find.c mongoc-cursor-find-cmd.c mongoc-cursor-find-opquery.c mongoc-cursor-legacy.c mongoc-cyrus.c mongoc-database.c mongoc-deprioritized-servers.c mongoc-error.c mongoc-find-and-modify.c mongoc-flags.c mongoc-generation-map.c mongoc-gridfs-bucket.c mongoc-gridfs-bucket-file.c mongoc-gridfs.c mongoc-gridfs-file.c mongoc-gridfs-file-list.c mongoc-gridfs-file-page.c mongoc-handshake.c mongoc-host-list.c mongoc-http.c mongoc-index.c mongoc-init.c mongoc-interrupt.c mongoc-libressl.c mongoc-linux-distro-scanner.c mongoc-list.c mongoc-log-and-monitor-private.c mongoc-log.c mongoc-matcher.c mongoc-matcher-op.c mongoc-memcmp.c mongoc-ocsp-cache.c mongoc-opcode.c mongoc-openssl.c mongoc-optional.c mongoc-opts.c mongoc-opts-helpers.c mongoc-queue.c mongoc-rand-cng.c mongoc-rand-common-crypto.c mongoc-rand-openssl.c mongoc-read-concern.c mongoc-read-prefs.c mongoc-rpc.c mongoc-sasl.c mongoc-scram.c mongoc-secure-channel.c mongoc-secure-transport.c mongoc-server-api.c mongoc-server-description.c mongoc-server-monitor.c mongoc-server-stream.c mongoc-set.c mongoc-shared.c mongoc-socket.c mongoc-ssl.c mongoc-sspi.c mongoc-stream-buffered.c mongoc-stream.c mongoc-stream-file.c mongoc-stream-gridfs.c mongoc-stream-gridfs-download.c mongoc-stream-gridfs-upload.c mongoc-stream-socket.c mongoc-stream-tls.c mongoc-stream-tls-libressl.c mongoc-stream-tls-openssl-bio.c mongoc-stream-tls-openssl.c mongoc-stream-tls-secure-channel.c mongoc-stream-tls-secure-transport.c mongoc-structured-log.c mongoc-timeout.c mongoc-topology-background-monitoring.c mongoc-topology.c mongoc-topology-description-apm.c mongoc-topology-description.c mongoc-topology-scanner.c mongoc-ts-pool.c mongoc-uri.c mongoc-util.c mongoc-version-functions.c mongoc-write-command.c mongoc-write-concern.c service-gcp.c"
     PHP_MONGODB_UTF8PROC_SOURCES="utf8proc.c"
     PHP_MONGODB_ZLIB_SOURCES="adler32.c compress.c crc32.c deflate.c gzclose.c gzlib.c gzread.c gzwrite.c infback.c inffast.c inflate.c inftrees.c trees.c uncompr.c zutil.c"
 
diff --git a/config.w32 b/config.w32
index 0c9923540..63bd1866a 100644
--- a/config.w32
+++ b/config.w32
@@ -106,11 +106,11 @@ if (PHP_MONGODB != "no") {
   PHP_MONGODB_CFLAGS = PHP_MONGODB_CFLAGS.replace(/\s+/g, ' ');
 
   // Sources below are updated by scripts/update-submodule-sources.php
-  var PHP_MONGODB_COMMON_SOURCES="common-atomic.c common-b64.c common-md5.c common-thread.c"
+  var PHP_MONGODB_COMMON_SOURCES="common-atomic.c common-b64.c common-json.c common-md5.c common-oid.c common-string.c common-thread.c"
   var PHP_MONGODB_KMS_MESSAGE_SOURCES="hexlify.c kms_azure_request.c kms_b64.c kms_caller_identity_request.c kms_crypto_apple.c kms_crypto_libcrypto.c kms_crypto_none.c kms_crypto_windows.c kms_decrypt_request.c kms_encrypt_request.c kms_gcp_request.c kms_kmip_reader_writer.c kms_kmip_request.c kms_kmip_response.c kms_kmip_response_parser.c kms_kv_list.c kms_message.c kms_port.c kms_request.c kms_request_opt.c kms_request_str.c kms_response.c kms_response_parser.c sort.c";
   var PHP_MONGODB_BSON_SOURCES="bcon.c bson-atomic.c bson.c bson-clock.c bson-context.c bson-decimal128.c bson-error.c bson-iso8601.c bson-iter.c bson-json.c bson-keys.c bson-md5.c bson-memory.c bson-oid.c bson-reader.c bson-string.c bson-timegm.c bson-utf8.c bson-value.c bson-version-functions.c bson-writer.c";
   var PHP_MONGODB_JSONSL_SOURCES="jsonsl.c";
-  var PHP_MONGODB_MONGOC_SOURCES="mcd-azure.c mcd-nsinfo.c mcd-rpc.c mongoc-aggregate.c mongoc-apm.c mongoc-array.c mongoc-async.c mongoc-async-cmd.c mongoc-buffer.c mongoc-bulk-operation.c mongoc-bulkwrite.c mongoc-change-stream.c mongoc-client.c mongoc-client-pool.c mongoc-client-session.c mongoc-client-side-encryption.c mongoc-cluster-aws.c mongoc-cluster.c mongoc-cluster-cyrus.c mongoc-cluster-sasl.c mongoc-cluster-sspi.c mongoc-cmd.c mongoc-collection.c mongoc-compression.c mongoc-counters.c mongoc-crypt.c mongoc-crypto.c mongoc-crypto-cng.c mongoc-crypto-common-crypto.c mongoc-crypto-openssl.c mongoc-cursor-array.c mongoc-cursor.c mongoc-cursor-change-stream.c mongoc-cursor-cmd.c mongoc-cursor-cmd-deprecated.c mongoc-cursor-find.c mongoc-cursor-find-cmd.c mongoc-cursor-find-opquery.c mongoc-cursor-legacy.c mongoc-cyrus.c mongoc-database.c mongoc-deprioritized-servers.c mongoc-error.c mongoc-find-and-modify.c mongoc-flags.c mongoc-generation-map.c mongoc-gridfs-bucket.c mongoc-gridfs-bucket-file.c mongoc-gridfs.c mongoc-gridfs-file.c mongoc-gridfs-file-list.c mongoc-gridfs-file-page.c mongoc-handshake.c mongoc-host-list.c mongoc-http.c mongoc-index.c mongoc-init.c mongoc-interrupt.c mongoc-libressl.c mongoc-linux-distro-scanner.c mongoc-list.c mongoc-log.c mongoc-matcher.c mongoc-matcher-op.c mongoc-memcmp.c mongoc-ocsp-cache.c mongoc-opcode.c mongoc-openssl.c mongoc-optional.c mongoc-opts.c mongoc-opts-helpers.c mongoc-queue.c mongoc-rand-cng.c mongoc-rand-common-crypto.c mongoc-rand-openssl.c mongoc-read-concern.c mongoc-read-prefs.c mongoc-rpc.c mongoc-sasl.c mongoc-scram.c mongoc-secure-channel.c mongoc-secure-transport.c mongoc-server-api.c mongoc-server-description.c mongoc-server-monitor.c mongoc-server-stream.c mongoc-set.c mongoc-shared.c mongoc-socket.c mongoc-ssl.c mongoc-sspi.c mongoc-stream-buffered.c mongoc-stream.c mongoc-stream-file.c mongoc-stream-gridfs.c mongoc-stream-gridfs-download.c mongoc-stream-gridfs-upload.c mongoc-stream-socket.c mongoc-stream-tls.c mongoc-stream-tls-libressl.c mongoc-stream-tls-openssl-bio.c mongoc-stream-tls-openssl.c mongoc-stream-tls-secure-channel.c mongoc-stream-tls-secure-transport.c mongoc-timeout.c mongoc-topology-background-monitoring.c mongoc-topology.c mongoc-topology-description-apm.c mongoc-topology-description.c mongoc-topology-scanner.c mongoc-ts-pool.c mongoc-uri.c mongoc-util.c mongoc-version-functions.c mongoc-write-command.c mongoc-write-concern.c service-gcp.c";
+  var PHP_MONGODB_MONGOC_SOURCES="mcd-azure.c mcd-nsinfo.c mcd-rpc.c mongoc-aggregate.c mongoc-apm.c mongoc-array.c mongoc-async.c mongoc-async-cmd.c mongoc-buffer.c mongoc-bulk-operation.c mongoc-bulkwrite.c mongoc-change-stream.c mongoc-client.c mongoc-client-pool.c mongoc-client-session.c mongoc-client-side-encryption.c mongoc-cluster-aws.c mongoc-cluster.c mongoc-cluster-cyrus.c mongoc-cluster-sasl.c mongoc-cluster-sspi.c mongoc-cmd.c mongoc-collection.c mongoc-compression.c mongoc-counters.c mongoc-crypt.c mongoc-crypto.c mongoc-crypto-cng.c mongoc-crypto-common-crypto.c mongoc-crypto-openssl.c mongoc-cursor-array.c mongoc-cursor.c mongoc-cursor-change-stream.c mongoc-cursor-cmd.c mongoc-cursor-cmd-deprecated.c mongoc-cursor-find.c mongoc-cursor-find-cmd.c mongoc-cursor-find-opquery.c mongoc-cursor-legacy.c mongoc-cyrus.c mongoc-database.c mongoc-deprioritized-servers.c mongoc-error.c mongoc-find-and-modify.c mongoc-flags.c mongoc-generation-map.c mongoc-gridfs-bucket.c mongoc-gridfs-bucket-file.c mongoc-gridfs.c mongoc-gridfs-file.c mongoc-gridfs-file-list.c mongoc-gridfs-file-page.c mongoc-handshake.c mongoc-host-list.c mongoc-http.c mongoc-index.c mongoc-init.c mongoc-interrupt.c mongoc-libressl.c mongoc-linux-distro-scanner.c mongoc-list.c mongoc-log-and-monitor-private.c mongoc-log.c mongoc-matcher.c mongoc-matcher-op.c mongoc-memcmp.c mongoc-ocsp-cache.c mongoc-opcode.c mongoc-openssl.c mongoc-optional.c mongoc-opts.c mongoc-opts-helpers.c mongoc-queue.c mongoc-rand-cng.c mongoc-rand-common-crypto.c mongoc-rand-openssl.c mongoc-read-concern.c mongoc-read-prefs.c mongoc-rpc.c mongoc-sasl.c mongoc-scram.c mongoc-secure-channel.c mongoc-secure-transport.c mongoc-server-api.c mongoc-server-description.c mongoc-server-monitor.c mongoc-server-stream.c mongoc-set.c mongoc-shared.c mongoc-socket.c mongoc-ssl.c mongoc-sspi.c mongoc-stream-buffered.c mongoc-stream.c mongoc-stream-file.c mongoc-stream-gridfs.c mongoc-stream-gridfs-download.c mongoc-stream-gridfs-upload.c mongoc-stream-socket.c mongoc-stream-tls.c mongoc-stream-tls-libressl.c mongoc-stream-tls-openssl-bio.c mongoc-stream-tls-openssl.c mongoc-stream-tls-secure-channel.c mongoc-stream-tls-secure-transport.c mongoc-structured-log.c mongoc-timeout.c mongoc-topology-background-monitoring.c mongoc-topology.c mongoc-topology-description-apm.c mongoc-topology-description.c mongoc-topology-scanner.c mongoc-ts-pool.c mongoc-uri.c mongoc-util.c mongoc-version-functions.c mongoc-write-command.c mongoc-write-concern.c service-gcp.c";
   var PHP_MONGODB_UTF8PROC_SOURCES="utf8proc.c";
 
   EXTENSION("mongodb", "php_phongo.c", null, PHP_MONGODB_CFLAGS);
@@ -137,7 +137,8 @@ if (PHP_MONGODB != "no") {
     BSON_HAVE_TIMESPEC: 0,
     BSON_EXTRA_ALIGN: 0,
     BSON_HAVE_GMTIME_R: 0,
-    BSON_HAVE_RAND_R: 0
+    BSON_HAVE_RAND_R: 0,
+    BSON_HAVE_ALIGNED_ALLOC: 0
   };
 
   mongodb_generate_header(
diff --git a/sbom.json b/sbom.json
index 7ed391e81..962cdbe84 100644
--- a/sbom.json
+++ b/sbom.json
@@ -19,22 +19,22 @@
       "version": "1.12.0"
     },
     {
-      "bom-ref": "pkg:github/mongodb/mongo-c-driver@1.29.2",
+      "bom-ref": "pkg:github/mongodb/mongo-c-driver@1.30.0",
       "externalReferences": [
         {
           "type": "distribution",
-          "url": "https://github.com/mongodb/mongo-c-driver/archive/refs/tags/1.29.2.tar.gz"
+          "url": "https://github.com/mongodb/mongo-c-driver/archive/refs/tags/1.30.0.tar.gz"
         },
         {
           "type": "website",
-          "url": "https://github.com/mongodb/mongo-c-driver/tree/1.29.2"
+          "url": "https://github.com/mongodb/mongo-c-driver/tree/1.30.0"
         }
       ],
       "group": "mongodb",
       "name": "mongo-c-driver",
-      "purl": "pkg:github/mongodb/mongo-c-driver@1.29.2",
+      "purl": "pkg:github/mongodb/mongo-c-driver@1.30.0",
       "type": "library",
-      "version": "1.29.2"
+      "version": "1.30.0"
     }
   ],
   "dependencies": [
@@ -42,11 +42,11 @@
       "ref": "pkg:github/mongodb/libmongocrypt@1.12.0"
     },
     {
-      "ref": "pkg:github/mongodb/mongo-c-driver@1.29.2"
+      "ref": "pkg:github/mongodb/mongo-c-driver@1.30.0"
     }
   ],
   "metadata": {
-    "timestamp": "2025-01-14T14:24:24.250261+00:00",
+    "timestamp": "2025-02-07T15:48:29.888317+00:00",
     "tools": [
       {
         "externalReferences": [
@@ -90,7 +90,7 @@
     ]
   },
   "serialNumber": "urn:uuid:acb30d08-ee47-4ff0-b301-d66ef1f54082",
-  "version": 8,
+  "version": 9,
   "$schema": "http://cyclonedx.org/schema/bom-1.5.schema.json",
   "bomFormat": "CycloneDX",
   "specVersion": "1.5",
diff --git a/scripts/autotools/libbson/FindDependencies.m4 b/scripts/autotools/libbson/FindDependencies.m4
index 2472e0a1b..14ff05c6e 100644
--- a/scripts/autotools/libbson/FindDependencies.m4
+++ b/scripts/autotools/libbson/FindDependencies.m4
@@ -52,3 +52,7 @@ AX_PTHREAD([
 ],[
   AC_MSG_ERROR([libbson requires pthreads on non-Windows platforms.])
 ])
+
+# Check for aligned_alloc()
+AC_SUBST(BSON_HAVE_ALIGNED_ALLOC, 0)
+AC_CHECK_FUNC(aligned_alloc, [AC_SUBST(BSON_HAVE_ALIGNED_ALLOC, 1)])
diff --git a/src/LIBMONGOC_VERSION_CURRENT b/src/LIBMONGOC_VERSION_CURRENT
index 412114252..034552a83 100644
--- a/src/LIBMONGOC_VERSION_CURRENT
+++ b/src/LIBMONGOC_VERSION_CURRENT
@@ -1 +1 @@
-1.29.2
+1.30.0
diff --git a/src/libmongoc b/src/libmongoc
index 48011c65d..be3955bb9 160000
--- a/src/libmongoc
+++ b/src/libmongoc
@@ -1 +1 @@
-Subproject commit 48011c65d759bc288a02a583c378a224c1141bbb
+Subproject commit be3955bb98ecabeb8e2873804f3345250e9bff60