diff --git a/deps/checksums/cacert-2023-01-10.pem/md5 b/deps/checksums/cacert-2023-01-10.pem/md5
deleted file mode 100644
index 92063050b50f3..0000000000000
--- a/deps/checksums/cacert-2023-01-10.pem/md5
+++ /dev/null
@@ -1 +0,0 @@
-e7cf471ba7c88f4e313f492a76e624b3
diff --git a/deps/checksums/cacert-2023-01-10.pem/sha512 b/deps/checksums/cacert-2023-01-10.pem/sha512
deleted file mode 100644
index d3322e5890f81..0000000000000
--- a/deps/checksums/cacert-2023-01-10.pem/sha512
+++ /dev/null
@@ -1 +0,0 @@
-08cd35277bf2260cb3232d7a7ca3cce6b2bd58af9221922d2c6e9838a19c2f96d1ca6d77f3cc2a3ab611692f9fec939e9b21f67442282e867a487b0203ee0279
diff --git a/deps/checksums/cacert-2023-12-12.pem/md5 b/deps/checksums/cacert-2023-12-12.pem/md5
new file mode 100644
index 0000000000000..fa4b90b0b2ddd
--- /dev/null
+++ b/deps/checksums/cacert-2023-12-12.pem/md5
@@ -0,0 +1 @@
+1e305b4e910d204ab7b4c18ec0cf0f27
diff --git a/deps/checksums/cacert-2023-12-12.pem/sha512 b/deps/checksums/cacert-2023-12-12.pem/sha512
new file mode 100644
index 0000000000000..8ce26f24dffd9
--- /dev/null
+++ b/deps/checksums/cacert-2023-12-12.pem/sha512
@@ -0,0 +1 @@
+dcbfe08d39efdd8de555b31e1050757900d08448c61f8a67c055f14514e5d47e734f6874b5ae628021c35ebc8dabdfdac5808df0b3a073d4f9246cca4b725fe8
diff --git a/deps/libgit2.version b/deps/libgit2.version
index 9bd56f1bd0001..064c95094adb3 100644
--- a/deps/libgit2.version
+++ b/deps/libgit2.version
@@ -10,4 +10,5 @@ LIBGIT2_SHA1=a2bde63741977ca0f4ef7db2f609df320be67a08
 # Specify the version of the Mozilla CA Certificate Store to obtain.
 # The versions of cacert.pem are identified by the date (YYYY-MM-DD) of their changes.
 # See https://curl.haxx.se/docs/caextract.html for more details.
-MOZILLA_CACERT_VERSION := 2023-01-10
+# Keep in sync with `stdlib/MozillaCACerts_jll/Project.toml`.
+MOZILLA_CACERT_VERSION := 2023-12-12
diff --git a/stdlib/MozillaCACerts_jll/Project.toml b/stdlib/MozillaCACerts_jll/Project.toml
index cef860fda4acd..b4f667b974736 100644
--- a/stdlib/MozillaCACerts_jll/Project.toml
+++ b/stdlib/MozillaCACerts_jll/Project.toml
@@ -1,6 +1,7 @@
 name = "MozillaCACerts_jll"
 uuid = "14a3606d-f60d-562e-9121-12d972cd8159"
-version = "2023.01.10"
+# Keep in sync with `deps/libgit2.version`.
+version = "2023.12.12"
 
 [extras]
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"