diff --git a/thirdpartylibs.xml b/thirdpartylibs.xml
index 534d2901..0c237d7a 100644
--- a/thirdpartylibs.xml
+++ b/thirdpartylibs.xml
@@ -14,6 +14,13 @@
     <license>MIT</license>
     <licenseversion></licenseversion>
   </library>
+  <library>
+    <location>vendor/symfony/cache-contracts</location>
+    <name>cache-contracts</name>
+    <version>v2.5.2</version>
+    <license>MIT</license>
+    <licenseversion></licenseversion>
+  </library>
   <library>
     <location>vendor/symfony/event-dispatcher</location>
     <name>event-dispatcher</name>
@@ -21,6 +28,13 @@
     <license>MIT</license>
     <licenseversion></licenseversion>
   </library>
+  <library>
+    <location>vendor/symfony/event-dispatcher-contracts</location>
+    <name>event-dispatcher-contracts</name>
+    <version>v1.1.13</version>
+    <license>MIT</license>
+    <licenseversion></licenseversion>
+  </library>
   <library>
     <location>vendor/symfony/debug</location>
     <name>debug</name>