diff --git a/taskcluster/linux-amd64-gpu-opt.yml b/taskcluster/linux-amd64-gpu-opt.yml
index 065df1a98e..4989e17deb 100644
--- a/taskcluster/linux-amd64-gpu-opt.yml
+++ b/taskcluster/linux-amd64-gpu-opt.yml
@@ -12,8 +12,8 @@ build:
   system_config:
     >
       ${swig.patch_nodejs.linux}
-  tensorflow: "https://index.taskcluster.net/v1/task/project.deepspeech.tensorflow.pip.r1.6.c346f2c8fdedbbfdc1a551e193552d26cf30eb9c.gpu/artifacts/public/home.tar.xz"
-  summarize_graph: "https://index.taskcluster.net/v1/task/project.deepspeech.tensorflow.pip.r1.6.c346f2c8fdedbbfdc1a551e193552d26cf30eb9c.gpu/artifacts/public/summarize_graph"
+  tensorflow: "https://index.taskcluster.net/v1/task/project.deepspeech.tensorflow.pip.r1.4.725825298e7654f2f799c96cb5a65c5114361b31.gpu/artifacts/public/home.tar.xz"
+  summarize_graph: "https://index.taskcluster.net/v1/task/project.deepspeech.tensorflow.pip.r1.4.725825298e7654f2f799c96cb5a65c5114361b31.gpu/artifacts/public/summarize_graph"
   maxRunTime: 14400
   scripts:
     build: "taskcluster/cuda-build.sh"