diff --git a/pkgs/development/libraries/libaec/default.nix b/pkgs/development/libraries/libaec/default.nix
new file mode 100644
index 000000000000..bf6fd029de16
--- /dev/null
+++ b/pkgs/development/libraries/libaec/default.nix
@@ -0,0 +1,27 @@
+{ stdenv, fetchFromGitLab
+, cmake
+}:
+
+stdenv.mkDerivation rec {
+  pname = "libaec";
+  version  = "1.0.4";
+
+  src = fetchFromGitLab {
+    domain = "gitlab.dkrz.de";
+    owner = "k202009";
+    repo = "libaec";
+    rev = "v${version}";
+    sha256 = "1rpma89i35ahbalaqz82y201syxni7jkf9892jlyyrhhrvlnm4l2";
+  };
+
+  nativeBuildInputs = [
+    cmake
+  ];
+
+  meta = with stdenv.lib; {
+    homepage = "https://gitlab.dkrz.de/k202009/libaec";
+    description = "Adaptive Entropy Coding library";
+    license = licenses.bsd2;
+    maintainers = with maintainers; [ tbenst ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 0d0bd9b06e0f..d1a270d372f2 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -12418,6 +12418,8 @@ in
 
   libacr38u = callPackage ../tools/security/libacr38u { };
 
+  libaec = callPackage ../development/libraries/libaec { };
+
   libagar = callPackage ../development/libraries/libagar { };
   libagar_test = callPackage ../development/libraries/libagar/libagar_test.nix { };