diff --git a/pkgs/development/interpreters/php/default.nix b/pkgs/development/interpreters/php/default.nix
index 40c01b15e5a..76db873edc0 100644
--- a/pkgs/development/interpreters/php/default.nix
+++ b/pkgs/development/interpreters/php/default.nix
@@ -338,8 +338,8 @@ let
 
 in {
   php56 = generic {
-    version = "5.6.32";
-    sha256 = "0lfbmdkvijkm6xc4p9sykv66y8xwhws0vsmka8v5cax4bxx4xr1y";
+    version = "5.6.33";
+    sha256 = "1k1ip1slk89hkp57qiqp8k2m5yrg9lx5rja542g87k8xfslrdxh7";
   };
 
   php70 = generic {