diff --git a/pkgs/applications/science/biology/trimal/default.nix b/pkgs/applications/science/biology/trimal/default.nix
new file mode 100755
index 00000000000..d4e8fee7bc3
--- /dev/null
+++ b/pkgs/applications/science/biology/trimal/default.nix
@@ -0,0 +1,31 @@
+{ stdenv, fetchFromGitHub }:
+
+stdenv.mkDerivation rec {
+  pname = "trimal";
+  version = "1.4.1";
+
+  src = fetchFromGitHub {
+    repo = pname;
+    owner = "scapella";
+    rev = "v${version}";
+    sha256 = "0isc7s3514di4z953xq53ncjkbi650sh4q9yyw5aag1n9hqnh7k0";
+  };
+
+  postUnpack = ''
+    sourceRoot=''${sourceRoot}/source
+    echo Source root reset to ''${sourceRoot}
+  '';
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp -a trimal readal statal $out/bin
+  '';
+
+  meta = with stdenv.lib; {
+    description = "A tool for the automated removal of spurious sequences or poorly aligned regions from a multiple sequence alignment";
+    license = licenses.gpl3;
+    platforms = platforms.linux;
+    homepage = http://trimal.cgenomics.org;
+    maintainers = [ maintainers.bzizou ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 1a9a1c54b3a..f3bcadfe1e5 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -21971,6 +21971,8 @@ in
 
   seaview = callPackage ../applications/science/biology/seaview { };
 
+  trimal = callPackage ../applications/science/biology/trimal { };
+
   varscan = callPackage ../applications/science/biology/varscan { };
 
   hmmer = callPackage ../applications/science/biology/hmmer { };