diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index c5aef8b2b131..1889828528d5 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -391,15 +391,7 @@ self: super: {
   # https://github.com/awakesecurity/nix-graph/issues/5
   nix-graph = doJailbreak super.nix-graph;
 
-  cachix = self.generateOptparseApplicativeCompletions [ "cachix" ]
-    # Adds a workaround to the API changes in the versions library
-    # Should be dropped by the next release
-    # https://github.com/cachix/cachix/pull/556
-    (appendPatch (fetchpatch {
-      url = "https://github.com/cachix/cachix/commit/078d2d2212d7533a6a4db000958bfc4373c4deeb.patch";
-      hash = "sha256-xfJaO2CuZWFHivq4gqbkNnTOWPiyFVjlwOPV6yibKH4=";
-      stripLen = 1;
-    }) super.cachix);
+  cachix = self.generateOptparseApplicativeCompletions [ "cachix" ] super.cachix;
 
   # https://github.com/froozen/kademlia/issues/2
   kademlia = dontCheck super.kademlia;
diff --git a/pkgs/development/haskell-modules/configuration-nix.nix b/pkgs/development/haskell-modules/configuration-nix.nix
index 6242b5af6f4f..c0e514aed8c3 100644
--- a/pkgs/development/haskell-modules/configuration-nix.nix
+++ b/pkgs/development/haskell-modules/configuration-nix.nix
@@ -1070,29 +1070,29 @@ self: super: builtins.intersectAttrs super {
   domaindriven-core = dontCheck super.domaindriven-core;
 
   cachix-api = overrideCabal (drv: {
-    version = "1.6";
+    version = "1.6.1";
     src = pkgs.fetchFromGitHub {
       owner = "cachix";
       repo = "cachix";
-      rev = "v1.6";
-      sha256 = "sha256-54ujAZYNigAn1oJAfupUtZHa0WRQbCQGLEfLmkw8iFc=";
+      rev = "v1.6.1";
+      sha256 = "sha256-6S8EOs7bGTyY4eDXGuTbJMTlaz0n1JYIAPKIB2cVYxg=";
     };
     postUnpack = "sourceRoot=$sourceRoot/cachix-api";
     postPatch = ''
-      sed -i 's/1.5/1.6/' cachix-api.cabal
+      sed -i 's/1.6/1.6.1/' cachix-api.cabal
     '';
   }) super.cachix-api;
   cachix = overrideCabal (drv: {
-    version = "1.6";
+    version = "1.6.1";
     src = pkgs.fetchFromGitHub {
       owner = "cachix";
       repo = "cachix";
-      rev = "v1.6";
-      sha256 = "sha256-54ujAZYNigAn1oJAfupUtZHa0WRQbCQGLEfLmkw8iFc=";
+      rev = "v1.6.1";
+      sha256 = "sha256-6S8EOs7bGTyY4eDXGuTbJMTlaz0n1JYIAPKIB2cVYxg=";
     };
     postUnpack = "sourceRoot=$sourceRoot/cachix";
     postPatch = ''
-      sed -i 's/1.5/1.6/' cachix.cabal
+      sed -i 's/1.6/1.6.1/' cachix.cabal
     '';
   }) (lib.pipe
         (super.cachix.override {
@@ -1102,7 +1102,7 @@ self: super: builtins.intersectAttrs super {
         [
          (addBuildTool self.hercules-ci-cnix-store.nixPackage)
          (addBuildTool pkgs.pkg-config)
-         (addBuildDepend self.ascii-progress)
+         (addBuildDepend self.immortal)
         ]
   );