diff --git a/ports/libbson/portfile.cmake b/ports/libbson/portfile.cmake
index 70199c7f12..337624cd97 100644
--- a/ports/libbson/portfile.cmake
+++ b/ports/libbson/portfile.cmake
@@ -2,7 +2,7 @@ vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO mongodb/mongo-c-driver
     REF "${VERSION}"
-    SHA512 b2b00aeafb3e639ced89e1e5fee6e3a72167322acbb49dce06514271af2041713373ce1b941bdf1b94a518e93f4baca1c55c5c6e5cec33ff72916dace2c2be09
+    SHA512 2651f94980184755cd44d764dc6dea595cb1fcb47e167efb10ba35a5022a26d4a20db760c399620b6f9a449b44b07febb2f4237778b664a78cc596e2da89632a
     HEAD_REF master
     PATCHES
         fix-include-directory.patch # vcpkg legacy decision
diff --git a/ports/libbson/vcpkg.json b/ports/libbson/vcpkg.json
index 467efd9886..4e83cafe2f 100644
--- a/ports/libbson/vcpkg.json
+++ b/ports/libbson/vcpkg.json
@@ -1,6 +1,6 @@
 {
   "name": "libbson",
-  "version": "1.27.2",
+  "version": "1.27.3",
   "description": "libbson is a library providing useful routines related to building, parsing, and iterating BSON documents.",
   "homepage": "https://github.com/mongodb/mongo-c-driver/tree/master/src/libbson",
   "license": null,
diff --git a/ports/mongo-c-driver/portfile.cmake b/ports/mongo-c-driver/portfile.cmake
index 15014d4f2e..73d4f73635 100644
--- a/ports/mongo-c-driver/portfile.cmake
+++ b/ports/mongo-c-driver/portfile.cmake
@@ -3,7 +3,7 @@ vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO mongodb/mongo-c-driver
     REF "${VERSION}"
-    SHA512 b2b00aeafb3e639ced89e1e5fee6e3a72167322acbb49dce06514271af2041713373ce1b941bdf1b94a518e93f4baca1c55c5c6e5cec33ff72916dace2c2be09
+    SHA512 2651f94980184755cd44d764dc6dea595cb1fcb47e167efb10ba35a5022a26d4a20db760c399620b6f9a449b44b07febb2f4237778b664a78cc596e2da89632a
     HEAD_REF master
     PATCHES
         disable-dynamic-when-static.patch
diff --git a/ports/mongo-c-driver/vcpkg.json b/ports/mongo-c-driver/vcpkg.json
index 25aa7f2d64..e1fba4878c 100644
--- a/ports/mongo-c-driver/vcpkg.json
+++ b/ports/mongo-c-driver/vcpkg.json
@@ -1,6 +1,6 @@
 {
   "name": "mongo-c-driver",
-  "version": "1.27.2",
+  "version": "1.27.3",
   "description": "Client library written in C for MongoDB.",
   "homepage": "https://github.com/mongodb/mongo-c-driver",
   "license": null,
diff --git a/versions/baseline.json b/versions/baseline.json
index f1aaf95439..caf4d3936a 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -4241,7 +4241,7 @@
       "port-version": 4
     },
     "libbson": {
-      "baseline": "1.27.2",
+      "baseline": "1.27.3",
       "port-version": 0
     },
     "libcaer": {
@@ -5857,7 +5857,7 @@
       "port-version": 2
     },
     "mongo-c-driver": {
-      "baseline": "1.27.2",
+      "baseline": "1.27.3",
       "port-version": 0
     },
     "mongo-cxx-driver": {
diff --git a/versions/l-/libbson.json b/versions/l-/libbson.json
index ae3762b711..a29a99a19d 100644
--- a/versions/l-/libbson.json
+++ b/versions/l-/libbson.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "6cb66f69440c4d5780dff700c44c5de9fdea1f40",
+      "version": "1.27.3",
+      "port-version": 0
+    },
     {
       "git-tree": "fd83243e3eedf200a2b093c86fc4c3f9bb640555",
       "version": "1.27.2",
diff --git a/versions/m-/mongo-c-driver.json b/versions/m-/mongo-c-driver.json
index fc1ccf66bb..686975ecd2 100644
--- a/versions/m-/mongo-c-driver.json
+++ b/versions/m-/mongo-c-driver.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "d46e1ebb4f01c99e5f6740c5d5745f6eb4a9cb3b",
+      "version": "1.27.3",
+      "port-version": 0
+    },
     {
       "git-tree": "81b20b1c902841a17a9b454861c2f58dee3aed3d",
       "version": "1.27.2",