diff --git a/pkgs/development/python-modules/pyslurm/default.nix b/pkgs/development/python-modules/pyslurm/default.nix
index f004ab1054dd..7d592c7b450b 100644
--- a/pkgs/development/python-modules/pyslurm/default.nix
+++ b/pkgs/development/python-modules/pyslurm/default.nix
@@ -2,13 +2,13 @@
 
 buildPythonPackage rec {
   pname = "pyslurm";
-  version = "20180908";
+  version = "18-08-3";
 
   src = fetchFromGitHub {
     repo = "pyslurm";
     owner = "PySlurm";
-    rev = "50dc113e99d82e70e84fc2e812333733708be4ed";
-    sha256 = "1j2i4rvhmk2ihhcvsjdlqlxqb5a05jg8k9bqkv3zrvdj71yn4z9k";
+    rev = version;
+    sha256 = "1rymx106xa99wd4n44s7jw0w41spg39y1ji4fgn01yk7wjfrdrwg";
   };
 
   buildInputs = [ cython slurm ];
diff --git a/pkgs/servers/computing/slurm/default.nix b/pkgs/servers/computing/slurm/default.nix
index 44ae3b894d54..053fadc8af58 100644
--- a/pkgs/servers/computing/slurm/default.nix
+++ b/pkgs/servers/computing/slurm/default.nix
@@ -8,7 +8,7 @@
 
 stdenv.mkDerivation rec {
   name = "slurm-${version}";
-  version = "18.08.1.1";
+  version = "18.08.3.1";
 
   # N.B. We use github release tags instead of https://www.schedmd.com/downloads.php
   # because the latter does not keep older releases.
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
     repo = "slurm";
     # The release tags use - instead of .
     rev = "${builtins.replaceStrings ["."] ["-"] name}";
-    sha256 = "1yndxi11vj0di3yf6ky78zcnffk6d3676gf5y7jn7vwxxmzm4h5k";
+    sha256 = "1dz5hgnlsld8b8vrbckk3mj7cqrv662wsp0s9z4x8wafygz3zx07";
   };
 
   outputs = [ "out" "dev" ];