diff --git a/WORKSPACE b/WORKSPACE
index 097817bd9..1f99e3de7 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -7,10 +7,10 @@ http_archive(
     name = "postgresql",
     build_file = "//ml_metadata:postgresql.BUILD",
     workspace_file_content = "//ml_metadata:postgresql.WORKSPACE",
-    sha256 = "1cb8e3a59861be5175878159fc3a41240c379e9aabaabba8288e6cfd6980fff0",
-    strip_prefix = "postgresql-12.17",
+    sha256 = "9868c1149a04bae1131533c5cbd1c46f9c077f834f6147abaef8791a7c91b1a1",
+    strip_prefix = "postgresql-12.1",
     urls = [
-        "https://ftp.postgresql.org/pub/source/v12.17/postgresql-12.17.tar.gz",
+        "https://ftp.postgresql.org/pub/source/v12.1/postgresql-12.1.tar.gz",
     ],
 )
 
diff --git a/ml_metadata/postgresql.BUILD b/ml_metadata/postgresql.BUILD
index e4713e456..42e2f811b 100644
--- a/ml_metadata/postgresql.BUILD
+++ b/ml_metadata/postgresql.BUILD
@@ -1176,7 +1176,7 @@ genrule(
             "#define PACKAGE_NAME \"PostgreSQL\"",
             "",
             "/* Define to the full name and version of this package. */",
-            "#define PACKAGE_STRING \"PostgreSQL 12.17\"",
+            "#define PACKAGE_STRING \"PostgreSQL 12.1\"",
             "",
             "/* Define to the one symbol short name of this package. */",
             "#define PACKAGE_TARNAME \"postgresql\"",
@@ -1185,7 +1185,7 @@ genrule(
             "#define PACKAGE_URL \"\"",
             "",
             "/* Define to the version of this package. */",
-            "#define PACKAGE_VERSION \"12.17\"",
+            "#define PACKAGE_VERSION \"12.1\"",
             "",
             "/* Define to the name of a signed 128-bit integer type. */",
             "#define PG_INT128_TYPE __int128",
@@ -1204,13 +1204,13 @@ genrule(
             "#define PG_PRINTF_ATTRIBUTE printf",
             "",
             "/* PostgreSQL version as a string */",
-            "#define PG_VERSION \"12.17\"",
+            "#define PG_VERSION \"12.1\"",
             "",
             "/* PostgreSQL version as a number */",
             "#define PG_VERSION_NUM 120001",
             "",
             "/* A string containing the version number, platform, and C compiler */",
-            "#define PG_VERSION_STR \"PostgreSQL 12.17 on x86_64-apple-darwin19.2.0, compiled by Apple clang version 11.0.0 (clang-1100.0.33.17), 64-bit\"",
+            "#define PG_VERSION_STR \"PostgreSQL 12.1 on x86_64-apple-darwin19.2.0, compiled by Apple clang version 11.0.0 (clang-1100.0.33.17), 64-bit\"",
             "",
             "/* Define to 1 to allow profiling output to be saved separately for each",
             "   process. */",