diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b4b885564..634befc0f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -63,7 +63,7 @@ jobs:
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     services:
       postgres:
-        image: postgres:13
+        image: postgres:13.5
         ports:
           - 5432:5432
         env:
diff --git a/omnibus/config/software/postgresql.rb b/omnibus/config/software/postgresql.rb
index 415c1210e..a593e1a17 100644
--- a/omnibus/config/software/postgresql.rb
+++ b/omnibus/config/software/postgresql.rb
@@ -16,7 +16,7 @@
 #
 
 name "postgresql"
-default_version "13.3"
+default_version "13.5"
 
 license "PostgreSQL"
 license_file "COPYRIGHT"
@@ -35,6 +35,7 @@ dependency "config_guess"
 
 # version_list: url=https://ftp.postgresql.org/pub/source/v#{version}/ filter=*.tar.bz2
 
+version("13.5")   { source sha256: "9b81067a55edbaabc418aacef457dd8477642827499560b00615a6ea6c13f6b3" }
 version("13.3")   { source sha256: "3cd9454fa8c7a6255b6743b767700925ead1b9ab0d7a0f9dcb1151010f8eb4a1" }
 
 # Version 12.x will EoL November 14, 2024