diff --git a/manifest.dhall b/manifest.dhall
index 55797128c326c32305e05cdb4a27b867168a786a..6ee513ea53e87ea5f6837973d133897def8c3ebd 100644
--- a/manifest.dhall
+++ b/manifest.dhall
@@ -475,6 +475,7 @@ in  [ callHackage "Cabal" "3.8.1.0"
     , callHackage "random-shuffle" "0.0.4"
     , callHackage "rebase" "1.16"
     , callHackage "reducers" "3.12.4"
+    , callHackage "regex-applicative" "0.3.4"
     , callHackage "regex-tdfa" "1.3.2"
     , callHackage "refined" "0.8"
     , callHackage "reflection" "2.1.6"
diff --git a/overlay.nix b/overlay.nix
index 46be0f858642ec6ba841c934ae9591adc4f6d33e..d3c057d978fff4a1cde265337fdb022e92f293e8 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -659,6 +659,8 @@ final: prev: with pkgs.haskell.lib; {
 
   reflection = prev.callPackage (./pkgs/reflection.nix) { };
 
+  regex-applicative = prev.callPackage (./pkgs/regex-applicative.nix) { };
+
   regex-tdfa = prev.callPackage (./pkgs/regex-tdfa.nix) { };
 
   relude = prev.callPackage (./pkgs/relude.nix) { };
diff --git a/pkgs/regex-applicative.nix b/pkgs/regex-applicative.nix
new file mode 100644
index 0000000000000000000000000000000000000000..f75d5e856a549b352e2476d916fe10ca5eef9ed8
--- /dev/null
+++ b/pkgs/regex-applicative.nix
@@ -0,0 +1,60 @@
+{ mkDerivation
+, attoparsec
+, base
+, bytestring
+, containers
+, criterion
+, deepseq
+, filtrable
+, lib
+, megaparsec
+, parsec
+, parsers
+, parsers-megaparsec
+, smallcheck
+, tasty
+, tasty-hunit
+, tasty-smallcheck
+, transformers
+}:
+mkDerivation {
+  pname = "regex-applicative";
+  version = "0.3.4";
+  sha256 = "1769a479c3ff953bc5a99a89e5648a6f01c5ff54fc9a09acceb9e029e2352636";
+  isLibrary = true;
+  isExecutable = false;
+  enableSeparateDataOutput = false;
+  libraryHaskellDepends = [ base containers filtrable transformers ];
+  testHaskellDepends = [
+    base
+    containers
+    filtrable
+    smallcheck
+    tasty
+    tasty-hunit
+    tasty-smallcheck
+    transformers
+  ];
+  benchmarkHaskellDepends = [
+    attoparsec
+    base
+    bytestring
+    criterion
+    deepseq
+    megaparsec
+    parsec
+    parsers
+    parsers-megaparsec
+  ];
+  enableLibraryProfiling = false;
+  enableExecutableProfiling = false;
+  doHaddock = false;
+  jailbreak = true;
+  doCheck = false;
+  doBenchmark = false;
+  hyperlinkSource = false;
+  homepage = "https://github.com/feuerbach/regex-applicative";
+  description = "Regex-based parsing with applicative interface";
+  license = lib.licenses.mit;
+  broken = false;
+}