diff --git a/manifest.dhall b/manifest.dhall
index a380c387c25941787a739b729a7aab429d1fcbf6..55b3c477c6134e31b9ce6341fc3176dcb0918447 100644
--- a/manifest.dhall
+++ b/manifest.dhall
@@ -715,6 +715,7 @@ in  [ callHackage "Cabal" "3.8.1.0"
     , callHackage "streaming" "0.2.3.1"
     , callHackage "store" "0.7.16"
     , callHackage "strict" "0.4.0.1"
+    , callHackage "string-conversions" "0.4.0.1"
     , callHackage "string-conv" "0.2.0"
     , callHackage "string-interpolate" "0.3.1.2"
     , callHackage "string-qq" "0.0.4"
diff --git a/overlay.nix b/overlay.nix
index d6ccfc1109dfca2d72c4a1c54a0c1a5fd301d4f0..f0f69bd5b0ea60bc37785276bf4d8a8655dc5db6 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -1107,6 +1107,8 @@ self: with pkgs.haskell.lib; {
 
   string-conv = self.callPackage (./pkgs/string-conv.nix) { };
 
+  string-conversions = self.callPackage (./pkgs/string-conversions.nix) { };
+
   string-interpolate = self.callPackage (./pkgs/string-interpolate.nix) { };
 
   string-qq = self.callPackage (./pkgs/string-qq.nix) { };
diff --git a/pkgs/string-conversions.nix b/pkgs/string-conversions.nix
new file mode 100644
index 0000000000000000000000000000000000000000..cfa4a9006d6ed40e64c10b64dd7db9425ba79f84
--- /dev/null
+++ b/pkgs/string-conversions.nix
@@ -0,0 +1,41 @@
+{ mkDerivation
+, base
+, bytestring
+, deepseq
+, hspec
+, lib
+, QuickCheck
+, quickcheck-instances
+, text
+, utf8-string
+}:
+mkDerivation {
+  pname = "string-conversions";
+  version = "0.4.0.1";
+  sha256 = "46bcce6d9ce62c558b7658a75d9c6a62f7259d6b0473d011d8078234ad6a1994";
+  isLibrary = true;
+  isExecutable = false;
+  enableSeparateDataOutput = false;
+  libraryHaskellDepends = [ base bytestring text utf8-string ];
+  testHaskellDepends = [
+    base
+    bytestring
+    deepseq
+    hspec
+    QuickCheck
+    quickcheck-instances
+    text
+    utf8-string
+  ];
+  enableLibraryProfiling = false;
+  enableExecutableProfiling = false;
+  doHaddock = false;
+  jailbreak = true;
+  doCheck = false;
+  doBenchmark = false;
+  hyperlinkSource = false;
+  homepage = "https://github.com/soenkehahn/string-conversions#readme";
+  description = "Simplifies dealing with different types for strings";
+  license = lib.licenses.bsd3;
+  broken = false;
+}