diff --git a/gnu/packages/databases.scm b/gnu/packages/databases.scm
index 0cdb75189f..b1cb9ed2bf 100644
--- a/gnu/packages/databases.scm
+++ b/gnu/packages/databases.scm
@@ -654,14 +654,14 @@ pictures, sounds, or video.")
   (package
     (inherit postgresql)
     (name "postgresql")
-    (version "9.6.5")
+    (version "9.6.6")
     (source (origin
               (method url-fetch)
               (uri (string-append "https://ftp.postgresql.org/pub/source/v"
                                   version "/postgresql-" version ".tar.bz2"))
               (sha256
                (base32
-                "0k3ls2x182jz6djjiqj9kycddabdl2gk1y1ajq1vipnxwfki5nh6"))))))
+                "0m417h30s18rwa7yzkqqcdb22ifpcda2fpg2cyx8bxvjp3ydz71r"))))))
 
 (define-public qdbm
   (package