diff --git a/pkgs/development/interpreters/php/default.nix b/pkgs/development/interpreters/php/default.nix
index 0b8005928a29..a37f9a1bf003 100644
--- a/pkgs/development/interpreters/php/default.nix
+++ b/pkgs/development/interpreters/php/default.nix
@@ -299,7 +299,7 @@ let
 in {
 
   php55 = generic {
-    version = "5.5.36";
+    version = "5.5.37";
     sha256 = "1fvipg3p8m61kym2ir589vi1l6zm0r95rd97z5s6sq6ylgxfv114";
   };