THRIFT-4750: as3 changes to build and publish to maven central
diff --git a/build/docker/README.md b/build/docker/README.md
index 56b98a9..b65f74b 100644
--- a/build/docker/README.md
+++ b/build/docker/README.md
@@ -168,7 +168,7 @@
| Language | ubuntu-xenial | ubuntu-bionic | Notes |
| :-------- | :------------ | :------------ | :---- |
| as of | Mar 06, 2018 | Jan 21, 2019 | |
-| as3 | | | Not in CI |
+| as3 | | 4.6.0 | |
| C++ gcc | 5.4.0 | 7.3.0 | |
| C++ clang | 3.8 | 6.0 | |
| C# (mono) | 4.2.1.0 | 4.6.2.7 | |