diff --git a/pkgs/development/libraries/apr/default.nix b/pkgs/development/libraries/apr/default.nix
index 36a82afcf86..b0809829c54 100644
--- a/pkgs/development/libraries/apr/default.nix
+++ b/pkgs/development/libraries/apr/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   pname = "apr";
-  version = "1.7.2";
+  version = "1.7.4";
 
   src = fetchurl {
     url = "mirror://apache/apr/${pname}-${version}.tar.bz2";
-    sha256 = "sha256-ded8yGd2wDDApcQI370L8qC3Xu1TUeUtVDn6HlUJpD4=";
+    sha256 = "sha256-/GSN6YPzoqbJ543qHxgGOb0vrWwG1VbUNnpwH+XDVXc=";
   };
 
   patches = [