diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index de6dcb9dd64..5826b875691 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -603,12 +603,12 @@ self: super: {
     '';
     doCheck = false; # https://github.com/chrisdone/hindent/issues/299
   })).override {
-    haskell-src-exts = self.haskell-src-exts_1_20_1;
+    haskell-src-exts = self.haskell-src-exts_1_20_2;
   };
 
   # Need newer versions of their dependencies than the ones we have in LTS-10.x.
   cabal2nix = super.cabal2nix.override { hpack = self.hpack_0_27_0; };
-  hlint = super.hlint.overrideScope (self: super: { haskell-src-exts = self.haskell-src-exts_1_20_1; });
+  hlint = super.hlint.overrideScope (self: super: { haskell-src-exts = self.haskell-src-exts_1_20_2; });
 
   # https://github.com/bos/configurator/issues/22
   configurator = dontCheck super.configurator;
@@ -847,14 +847,14 @@ self: super: {
   # Hoogle needs newer versions than lts-10 provides. lambdabot-haskell-plugins
   # depends on Hoogle and therefore needs to use the same version.
   hoogle = super.hoogle.override {
-    haskell-src-exts = self.haskell-src-exts_1_20_1;
+    haskell-src-exts = self.haskell-src-exts_1_20_2;
     http-conduit = self.http-conduit_2_3_0;
   };
   lambdabot-haskell-plugins = super.lambdabot-haskell-plugins.override {
     haskell-src-exts-simple = self.haskell-src-exts-simple_1_20_0_0;
   };
   haskell-src-exts-simple_1_20_0_0 = super.haskell-src-exts-simple_1_20_0_0.override {
-    haskell-src-exts = self.haskell-src-exts_1_20_1;
+    haskell-src-exts = self.haskell-src-exts_1_20_2;
   };
 
   # These packages depend on each other, forming an infinite loop.