diff --git a/pkgs/development/haskell-modules/cabal2nix-unstable.nix b/pkgs/development/haskell-modules/cabal2nix-unstable.nix
index 7daf09ffe0dd..15a63ec9c5c7 100644
--- a/pkgs/development/haskell-modules/cabal2nix-unstable.nix
+++ b/pkgs/development/haskell-modules/cabal2nix-unstable.nix
@@ -35,10 +35,10 @@
 }:
 mkDerivation {
   pname = "cabal2nix";
-  version = "unstable-2025-06-14";
+  version = "unstable-2025-08-10";
   src = fetchzip {
-    url = "https://github.com/NixOS/cabal2nix/archive/e9e2ebd9ab5c89c6cd55dd2c568dd46086f2addb.tar.gz";
-    sha256 = "0in0vab4vihamdhf0zs8y22dwm7h4fqzryq47cxb48cxg29rfz9y";
+    url = "https://github.com/NixOS/cabal2nix/archive/31c6db234a905bbf4e8f34c5a986f294b231de0a.tar.gz";
+    sha256 = "1ifbmcm5k8mxcpq4kscfc5ddcknawxz6a4ak30jmf0kk1lrfsikf";
   };
   postUnpack = "sourceRoot+=/cabal2nix; echo source root reset to $sourceRoot";
   isLibrary = true;
diff --git a/pkgs/development/haskell-modules/configuration-hackage2nix/transitive-broken.yaml b/pkgs/development/haskell-modules/configuration-hackage2nix/transitive-broken.yaml
index ac9e1bf36114..6a06ab85ab71 100644
--- a/pkgs/development/haskell-modules/configuration-hackage2nix/transitive-broken.yaml
+++ b/pkgs/development/haskell-modules/configuration-hackage2nix/transitive-broken.yaml
@@ -3503,7 +3503,6 @@ dont-distribute-packages:
  - twentefp-graphs
  - twentefp-rosetree
  - twentefp-trees
- - twentyseven
  - twfy-api-client
  - twidge
  - twilight-stm
diff --git a/pkgs/development/haskell-modules/hackage-packages.nix b/pkgs/development/haskell-modules/hackage-packages.nix
index e2914af5bb92..97d33bbb4bac 100644
--- a/pkgs/development/haskell-modules/hackage-packages.nix
+++ b/pkgs/development/haskell-modules/hackage-packages.nix
@@ -226637,6 +226637,7 @@ self: {
           gflags,
           ghc,
           ghci,
+          glog,
           hashable,
           haskell-src-exts,
           hspec,
@@ -226646,7 +226647,6 @@ self: {
           json,
           lens,
           libevent,
-          libglog,
           lifted-base,
           mangle,
           monad-control,
@@ -226735,8 +226735,8 @@ self: {
             double-conversion
             fmt
             gflags
+            glog
             libevent
-            libglog
           ];
           testHaskellDepends = [
             aeson
@@ -226778,8 +226778,8 @@ self: {
         inherit (pkgs) double-conversion;
         inherit (pkgs) fmt;
         inherit (pkgs) gflags;
+        inherit (pkgs) glog;
         inherit (pkgs) libevent;
-        libglog = null;
       };
 
   "fbmessenger-api" = callPackage (
@@ -237683,7 +237683,7 @@ self: {
           boost_filesystem,
           boost_program_options,
           fmt,
-          libglog,
+          glog,
           libunwind,
           openssl,
           snappy,
@@ -237699,7 +237699,7 @@ self: {
           ];
           libraryPkgconfigDepends = [
             fmt
-            libglog
+            glog
             libunwind
             openssl
             snappy
@@ -237714,7 +237714,7 @@ self: {
         boost_filesystem = null;
         boost_program_options = null;
         inherit (pkgs) fmt;
-        libglog = null;
+        inherit (pkgs) glog;
         inherit (pkgs) libunwind;
         inherit (pkgs) openssl;
         inherit (pkgs) snappy;
@@ -270116,6 +270116,7 @@ self: {
           ghc-compact,
           ghc-prim,
           Glob,
+          glog,
           gtest_main,
           happy,
           hashable,
@@ -270130,9 +270131,7 @@ self: {
           IntervalMap,
           json,
           libfolly,
-          libglog,
           libunwind,
-          libxxhash,
           mangle,
           microlens,
           monad-control,
@@ -270184,6 +270183,7 @@ self: {
           vector-algorithms,
           wai,
           warp,
+          xxHash,
           yaml,
         }:
         mkDerivation {
@@ -270276,12 +270276,12 @@ self: {
           libraryPkgconfigDepends = [
             fmt
             gflags
+            glog
             icu
             libfolly
-            libglog
             libunwind
-            libxxhash
             rocksdb
+            xxHash
           ];
           libraryToolDepends = [
             alex
@@ -270419,13 +270419,13 @@ self: {
         atomic = null;
         inherit (pkgs) fmt;
         inherit (pkgs) gflags;
+        inherit (pkgs) glog;
         gtest_main = null;
         inherit (pkgs) icu;
         libfolly = null;
-        libglog = null;
         inherit (pkgs) libunwind;
-        libxxhash = null;
         inherit (pkgs) rocksdb;
+        inherit (pkgs) xxHash;
       };
 
   "glfw-group" = callPackage (
@@ -319392,7 +319392,6 @@ self: {
           inline-c,
           inline-c-cpp,
           nix,
-          nix-flake,
           process,
           protolude,
           QuickCheck,
@@ -319432,10 +319431,7 @@ self: {
             vector
           ];
           librarySystemDepends = [ boost ];
-          libraryPkgconfigDepends = [
-            nix
-            nix-flake
-          ];
+          libraryPkgconfigDepends = [ nix ];
           testHaskellDepends = [
             aeson
             base
@@ -319462,7 +319458,6 @@ self: {
       {
         inherit (pkgs) boost;
         inherit (pkgs) nix;
-        nix-flake = null;
       };
 
   "hercules-ci-cnix-store" =
@@ -420401,7 +420396,7 @@ self: {
       base,
       bytestring,
       derive-storable,
-      llama,
+      llama-cpp,
       tasty,
       tasty-hunit,
     }:
@@ -420414,7 +420409,7 @@ self: {
         bytestring
         derive-storable
       ];
-      librarySystemDepends = [ llama ];
+      librarySystemDepends = [ llama-cpp ];
       testHaskellDepends = [
         base
         bytestring
@@ -420427,7 +420422,7 @@ self: {
       hydraPlatforms = lib.platforms.none;
       broken = true;
     }
-  ) { llama = null; };
+  ) { inherit (pkgs) llama-cpp; };
 
   "llrbtree" = callPackage (
     { mkDerivation, base }:
@@ -681582,7 +681577,6 @@ self: {
       ];
       description = "Rubik's cube solver";
       license = lib.licenses.mit;
-      hydraPlatforms = lib.platforms.none;
       mainProgram = "twentyseven";
     }
   ) { };
@@ -727535,13 +727529,13 @@ self: {
       deepseq,
       digest,
       hashable,
-      libxxhash,
       murmur-hash,
       QuickCheck,
       tasty,
       tasty-bench,
       tasty-quickcheck,
       text,
+      xxHash,
     }:
     mkDerivation {
       pname = "xxhash-ffi";
@@ -727555,7 +727549,7 @@ self: {
         hashable
         text
       ];
-      libraryPkgconfigDepends = [ libxxhash ];
+      libraryPkgconfigDepends = [ xxHash ];
       testHaskellDepends = [
         base
         bytestring
@@ -727578,7 +727572,7 @@ self: {
       hydraPlatforms = lib.platforms.none;
       broken = true;
     }
-  ) { libxxhash = null; };
+  ) { inherit (pkgs) xxHash; };
 
   "xz" = callPackage (
     {