diff --git a/php/php.project/external/binaries-list b/php/php.project/external/binaries-list
index 23bd43969e9e..3e727a7d1b27 100644
--- a/php/php.project/external/binaries-list
+++ b/php/php.project/external/binaries-list
@@ -14,4 +14,4 @@
 # KIND, either express or implied.  See the License for the
 # specific language governing permissions and limitations
 # under the License.
-85671C8F8F936E1E66FC46D463ED290105A46EAC phpsigfiles-1.5.zip
+D1E3E08A0EC214BABC45383CE4238AAA9FAAE507 phpsigfiles-1.6.zip
diff --git a/php/php.project/external/phpsigfiles-1.5-license.txt b/php/php.project/external/phpsigfiles-1.6-license.txt
similarity index 99%
rename from php/php.project/external/phpsigfiles-1.5-license.txt
rename to php/php.project/external/phpsigfiles-1.6-license.txt
index 73c37552a1bc..b644d57d165d 100644
--- a/php/php.project/external/phpsigfiles-1.5-license.txt
+++ b/php/php.project/external/phpsigfiles-1.6-license.txt
@@ -1,5 +1,5 @@
 Name: phpsigfiles
-Version: 1.5
+Version: 1.6
 Description: Signature files for PHP runtime and PHP runtime extensions for use from code completion etc. The file is build from the PHP manual.
 License: CC-BY-3.0
 Origin: http://www.php.net/docs.php
diff --git a/php/php.project/external/phpsigfiles-1.5-notice.txt b/php/php.project/external/phpsigfiles-1.6-notice.txt
similarity index 100%
rename from php/php.project/external/phpsigfiles-1.5-notice.txt
rename to php/php.project/external/phpsigfiles-1.6-notice.txt
diff --git a/php/php.project/nbproject/project.properties b/php/php.project/nbproject/project.properties
index 985907d8e608..c227db8acfb5 100644
--- a/php/php.project/nbproject/project.properties
+++ b/php/php.project/nbproject/project.properties
@@ -20,7 +20,7 @@ javac.compilerargs=-Xlint:unchecked
 javac.source=1.8
 javadoc.arch=${basedir}/arch.xml
 
-release.external/phpsigfiles-1.5.zip=docs/phpsigfiles.zip
+release.external/phpsigfiles-1.6.zip=docs/phpsigfiles.zip
 extra.module.files=docs/phpsigfiles.zip
 
 test.config.stableBTD.includes=**/*Test.class