diff --git a/build/docker/ubuntu-artful/Dockerfile b/build/docker/ubuntu-artful/Dockerfile
index 4ea95d5..abe84d1 100644
--- a/build/docker/ubuntu-artful/Dockerfile
+++ b/build/docker/ubuntu-artful/Dockerfile
@@ -15,7 +15,7 @@
 # Using all stock Ubuntu Artful packaging except for:
 # - cpp: stock boost 1.62 in artful has a nasty bug so we use stock boost 1.63
 # - d: dmd does not come with Ubuntu
-# - dart: does not come with Ubuntu
+# - dart: does not come with Ubuntu. Pinned to last 1.x release
 # - dotnet: does not come with Ubuntu
 # - haxe: version 3.4.2 that comes with Ubuntu cores in our CI build
 # - go: artful comes with 1.9, we want the latest (supported)
@@ -47,6 +47,7 @@
 RUN curl https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add - && \
     curl https://storage.googleapis.com/download.dartlang.org/linux/debian/dart_stable.list > \
       /etc/apt/sources.list.d/dart_stable.list
+ENV DART_VERSION 1.24.3-1
 
 # dotnet (netcore)
 RUN curl https://packages.microsoft.com/keys/microsoft.asc | gpg --dearmor > /etc/apt/trusted.gpg.d/microsoft.gpg && \
@@ -122,7 +123,7 @@
 
 RUN apt-get install -y --no-install-recommends \
       `# Dart dependencies` \
-      dart/stable
+      dart=$DART_VERSION
 ENV PATH /usr/lib/dart/bin:$PATH
 
 RUN apt-get install -y --no-install-recommends \