diff --git a/composer.json b/composer.json
index f4aee2618..3b5738ae1 100644
--- a/composer.json
+++ b/composer.json
@@ -24,7 +24,7 @@
         "phpunit/phpunit": "^10.5.35",
         "rector/rector": "^1.2",
         "squizlabs/php_codesniffer": "^3.7",
-        "vimeo/psalm": "^6.5"
+        "vimeo/psalm": "6.5.*"
     },
     "replace": {
         "mongodb/builder": "*"
diff --git a/tests/drivers-evergreen-tools b/tests/drivers-evergreen-tools
index f43767def..2c6869e36 160000
--- a/tests/drivers-evergreen-tools
+++ b/tests/drivers-evergreen-tools
@@ -1 +1 @@
-Subproject commit f43767def1c0fc18919688005678ee59266b13a5
+Subproject commit 2c6869e36d99564e8f403534702c3c142131ef0f