diff --git a/.evergreen/config/generated/build/build-libmongoc-8.3.yml b/.evergreen/config/generated/build/build-libmongoc-8.3.yml
index d5a174930..ac086f248 100644
--- a/.evergreen/config/generated/build/build-libmongoc-8.3.yml
+++ b/.evergreen/config/generated/build/build-libmongoc-8.3.yml
@@ -12,7 +12,7 @@ tasks:
       - func: "compile driver"
         vars:
           PHP_VERSION: "8.3"
-          LIBMONGOC_VERSION: "1.27.0"
+          LIBMONGOC_VERSION: "1.27.1"
       - func: "upload build"
 
   - name: "build-php-8.3-libmongoc-next-stable"
diff --git a/.evergreen/config/templates/build/build-libmongoc.yml b/.evergreen/config/templates/build/build-libmongoc.yml
index 4e36c8815..1db85c3f7 100644
--- a/.evergreen/config/templates/build/build-libmongoc.yml
+++ b/.evergreen/config/templates/build/build-libmongoc.yml
@@ -11,7 +11,7 @@ tasks:
       - func: "compile driver"
         vars:
           PHP_VERSION: "%phpVersion%"
-          LIBMONGOC_VERSION: "1.27.0"
+          LIBMONGOC_VERSION: "1.27.1"
       - func: "upload build"
 
   - name: "build-php-%phpVersion%-libmongoc-next-stable"
diff --git a/config.m4 b/config.m4
index ea86476eb..c5ddc7dc7 100644
--- a/config.m4
+++ b/config.m4
@@ -270,7 +270,7 @@ if test "$PHP_MONGODB" != "no"; then
   PHP_MONGODB_MONGOCRYPT_VERSION_STRING="None"
 
   if test "$PHP_MONGODB_SYSTEM_LIBS" != "no"; then
-    PKG_CHECK_MODULES([PHP_MONGODB_BSON], [libbson-1.0 >= 1.27.0], [
+    PKG_CHECK_MODULES([PHP_MONGODB_BSON], [libbson-1.0 >= 1.27.1], [
       PHP_MONGODB_BSON_VERSION=`$PKG_CONFIG libbson-1.0 --modversion`
       PHP_MONGODB_BSON_VERSION_STRING="System ($PHP_MONGODB_BSON_VERSION)"
 
@@ -278,10 +278,10 @@ 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 >= 1.27.0])
+      AC_MSG_ERROR([Could not find system library for libbson >= 1.27.1])
     ])
 
-    PKG_CHECK_MODULES([PHP_MONGODB_MONGOC], [libmongoc-1.0 >= 1.27.0], [
+    PKG_CHECK_MODULES([PHP_MONGODB_MONGOC], [libmongoc-1.0 >= 1.27.1], [
       PHP_MONGODB_BSON_VERSION=`$PKG_CONFIG libbson-1.0 --modversion`
       PHP_MONGODB_BSON_VERSION_STRING="System ($PHP_MONGODB_BSON_VERSION)"
 
@@ -289,7 +289,7 @@ 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 >= 1.27.0)
+      AC_MSG_ERROR(Could not find system library for libmongoc >= 1.27.1)
     ])
 
     if test "$PHP_MONGODB_CLIENT_SIDE_ENCRYPTION" != "no"; then
diff --git a/src/libmongoc b/src/libmongoc
index dfd3aece9..d6f093cd4 160000
--- a/src/libmongoc
+++ b/src/libmongoc
@@ -1 +1 @@
-Subproject commit dfd3aece9e46ffcfac3e41cc147036872757c2c2
+Subproject commit d6f093cd4f42b026266e3e6734813c0eaf10b571