diff --git a/build/scripts/libLicenses.gant b/build/scripts/libLicenses.gant
index 853e8e76af1a..542b08d9936e 100644
--- a/build/scripts/libLicenses.gant
+++ b/build/scripts/libLicenses.gant
@@ -254,6 +254,7 @@ libraryLicense(name: "proxy-vole", libraryName: "proxy-vole", version: "20120920
 libraryLicense(name: "Rhino JavaScript Engine", libraryName: "rhino-js-1_7R4", version: "1.7R4", license: "MPL 1.1", url: "http://www.mozilla.org/rhino/", licenseUrl: "http://www.mozilla.org/MPL/MPL-1.1.html")
 libraryLicense(name: "asm-4.0-all", libraryName: "asm-4.0-all", version: "4.0", attachedTo: "ByteCodeViewer", license: "BSD", url: "http://asm.objectweb.org/", licenseUrl: "http://asm.objectweb.org/license.html")
 libraryLicense(name: "jsr305", libraryName: "jsr305", version: "snapshot", license: "BSD", url: "http://code.google.com/p/jsr-305/", licenseUrl: "http://code.google.com/p/jsr-305/source/browse/trunk/ri/LICENSE")
+libraryLicense(name: "jzlib", libraryName: "jzlib", version: "1.1.1", license: "BSD", url: "http://www.jcraft.com/jzlib/", licenseUrl: "http://www.jcraft.com/jzlib/LICENSE.txt")
 jetbrainsLibrary("JPS")
 jetbrainsLibrary("Maven Embedder")
 jetbrainsLibrary("tcServiceMessages")
diff --git a/lib/jzlib-1.1.1.jar b/lib/jzlib-1.1.1.jar
new file mode 100644
index 000000000000..5530c9d142c9
Binary files /dev/null and b/lib/jzlib-1.1.1.jar differ
diff --git a/lib/src/jzlib-1.1.1.zip b/lib/src/jzlib-1.1.1.zip
new file mode 100644
index 000000000000..c0745a092f3e
Binary files /dev/null and b/lib/src/jzlib-1.1.1.zip differ