diff --git a/CMakeLists.txt b/CMakeLists.txt
index ce7296e..01e6313 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -41,6 +41,9 @@ endif()
 
 target_include_directories(${PROJECT_NAME} PRIVATE ${CURL_INCLUDE_DIRS})
 
+find_package(Backtrace REQUIRED)
+target_link_libraries(${PROJECT_NAME} PRIVATE ${Backtrace_LIBRARIES})
+
 target_compile_options(${PROJECT_NAME} PRIVATE
     "-fno-exceptions"
     "-fno-rtti"
diff --git a/ci/codebuild/alpine-3.15.yml b/ci/codebuild/alpine-3.15.yml
new file mode 100644
index 0000000..6954b97
--- /dev/null
+++ b/ci/codebuild/alpine-3.15.yml
@@ -0,0 +1,16 @@
+version: 0.2
+# This uses the docker image specified in ci/docker/alpine-linux-3.15
+phases:
+  pre_build:
+    commands:
+      - pip install awscli
+      - ci/codebuild/build-cpp-sdk.sh
+  build:
+    commands:
+      - echo Build started on `date`
+      - ci/codebuild/build.sh -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DENABLE_TESTS=ON -DTEST_RESOURCE_PREFIX=alpine315
+      - ci/codebuild/run-tests.sh  aws-lambda-package-lambda-test-fun alpine315
+  post_build:
+    commands:
+      - echo Build completed on `date`
+
diff --git a/ci/docker/alpine-linux-3.15 b/ci/docker/alpine-linux-3.15
new file mode 100644
index 0000000..8b0837e
--- /dev/null
+++ b/ci/docker/alpine-linux-3.15
@@ -0,0 +1,5 @@
+FROM alpine:3.15
+
+RUN apk add --no-cache g++ cmake git bash py3-pip libexecinfo-dev ninja curl-dev zlib-dev zip
+
+RUN git clone --recurse-submodules https://github.com/aws/aws-sdk-cpp.git
diff --git a/ci/docker/alpine-linux-3.8 b/ci/docker/alpine-linux-3.8
deleted file mode 100644
index a042e4c..0000000
--- a/ci/docker/alpine-linux-3.8
+++ /dev/null
@@ -1,5 +0,0 @@
-FROM alpine:latest
-
-RUN apk update; apk add g++ cmake git ninja curl-dev zlib-dev
-
-RUN git clone https://github.com/aws/aws-sdk-cpp.git
diff --git a/packaging/packager b/packaging/packager
index f5a3c8b..0c4e749 100755
--- a/packaging/packager
+++ b/packaging/packager
@@ -61,7 +61,8 @@ function pluck_so_files() {
 }
 
 function package_libc_alpine() {
-    if grep --fixed-strings "Alpine Linux" < /etc/os-release > /dev/null; then
+    # -F matches a fixed string rather than a regex (grep that comes with busybox doesn't know --fixed-strings)
+    if grep -F "Alpine Linux" < /etc/os-release > /dev/null; then
         if type apk > /dev/null 2>&1; then
             apk info --contents musl 2>/dev/null | pluck_so_files | sed 's/^/\//'
         fi