diff --git a/pkgs/development/libraries/pcre/default.nix b/pkgs/development/libraries/pcre/default.nix
index 9c5e3c67282b..ca95ddafc94c 100644
--- a/pkgs/development/libraries/pcre/default.nix
+++ b/pkgs/development/libraries/pcre/default.nix
@@ -1,9 +1,9 @@
 {stdenv, fetchurl}:
 
 stdenv.mkDerivation {
-  name = "pcre-4.3";
+  name = "pcre-4.5";
   src = fetchurl {
-    url = ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre-4.3.tar.bz2;
-    md5 = "7bc7d5b590a41e6f9ede30f272002a02";
+    url = ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre-4.5.tar.bz2;
+    md5 = "c51bd34197008b128046f0799d2242e4";
   };
 }