diff --git a/pkgs/tools/system/java-service-wrapper/default.nix b/pkgs/tools/system/java-service-wrapper/default.nix
index 43aa2b10cc3..7c4002b8a9b 100644
--- a/pkgs/tools/system/java-service-wrapper/default.nix
+++ b/pkgs/tools/system/java-service-wrapper/default.nix
@@ -5,36 +5,45 @@
 
 stdenv.mkDerivation rec {
   pname = "java-service-wrapper";
-  version = "3.5.48";
+  version = "3.5.49";
 
   src = fetchurl {
     url = "https://wrapper.tanukisoftware.com/download/${version}/wrapper_${version}_src.tar.gz";
-    sha256 = "sha256-woANhwLOhvTnq+Bnc8zCIDZEJOv3swNfeI/3nQ7Y1SM=";
+    hash = "sha256-gcScF5LIqWVBv8erI3hG5tt5BZPO2XlhFACz1Y60+v4=";
   };
 
   buildInputs = [ jdk ];
   nativeBuildInputs = [ ant cunit ncurses ];
 
   buildPhase = ''
+    runHook preBuild
+
     export ANT_HOME=${ant}
     export JAVA_HOME=${jdk}/lib/openjdk/jre/
     export JAVA_TOOL_OPTIONS=-Djava.home=$JAVA_HOME
     export CLASSPATH=${jdk}/lib/openjdk/lib/tools.jar
 
     ${if stdenv.isi686 then "./build32.sh" else "./build64.sh"}
+
+    runHook postBuild
   '';
 
   installPhase = ''
+    runHook preInstall
+
     mkdir -p $out/{bin,lib}
     cp bin/wrapper $out/bin/wrapper
     cp lib/wrapper.jar $out/lib/wrapper.jar
     cp lib/libwrapper.so $out/lib/libwrapper.so
+
+    runHook postInstall
   '';
 
   meta = with lib; {
     description = "Enables a Java Application to be run as a Windows Service or Unix Daemon";
     homepage = "https://wrapper.tanukisoftware.com/";
-    license = licenses.gpl2;
+    changelog = "https://wrapper.tanukisoftware.com/doc/english/release-notes.html#${version}";
+    license = licenses.gpl2Only;
     platforms = [ "x86_64-linux" "i686-linux" ];
     maintainers = [ maintainers.suhr ];
   };