update docker readme file [ci skip]
diff --git a/build/docker/README.md b/build/docker/README.md
index d00f87d..56b98a9 100644
--- a/build/docker/README.md
+++ b/build/docker/README.md
@@ -167,7 +167,7 @@
| Language | ubuntu-xenial | ubuntu-bionic | Notes |
| :-------- | :------------ | :------------ | :---- |
-| as of | Mar 06, 2018 | Jan 4, 2019 | |
+| as of | Mar 06, 2018 | Jan 21, 2019 | |
| as3 | | | Not in CI |
| C++ gcc | 5.4.0 | 7.3.0 | |
| C++ clang | 3.8 | 6.0 | |
@@ -175,23 +175,23 @@
| c_glib | 2.48.2 | 2.56.0 | |
| cl (sbcl) | | 1.4.15 | |
| d | 2.075.1 | 2.083.1 | |
-| dart | 1.22.1 | 1.24.3 | |
+| dart | 1.24.3 | 2.1.0 | |
| delphi | | | Not in CI |
-| dotnet | 2.1.4 | 2.2.101 | |
+| dotnet | 2.1.503 | 2.2.103 | |
| erlang | 18.3 | 20.2.2 | |
| go | 1.7.6 | 1.11.4 | |
| haskell | 7.10.3 | 8.0.2 | |
| haxe | 3.2.1 | 3.4.4 | THRIFT-4352: avoid 3.4.2 |
-| java | 1.8.0_151 | 1.8.0_191 | |
+| java | 1.8.0_191 | 1.8.0_191 | |
| js | | | Unsure how to look for version info? |
| lua | 5.2.4 | 5.2.4 | Lua 5.3: see THRIFT-4386 |
-| nodejs | 6.13.0 | 8.15.0 | |
+| nodejs | 6.16.0 | 8.15.0 | |
| ocaml | | 4.05.0 | THRIFT-4517: ocaml 4.02.3 on xenial appears broken |
| perl | 5.22.1 | 5.26.1 | |
-| php | 7.0.22 | 7.2.10 | |
+| php | 7.0.32 | 7.2.10 | |
| python | 2.7.12 | 2.7.15rc1 | |
| python3 | 3.5.2 | 3.6.7 | |
| ruby | 2.3.1p112 | 2.5.1p57 | |
-| rust | 1.17.0 | 1.30.0 | |
+| rust | 1.30.0 | 1.30.0 | |
| smalltalk | | | Not in CI |
| swift | | 4.2.1 | |