diff --git a/glassy_dynamics/requirements.txt b/glassy_dynamics/requirements.txt
index eb3c0d7..59631c4 100644
--- a/glassy_dynamics/requirements.txt
+++ b/glassy_dynamics/requirements.txt
@@ -6,7 +6,7 @@ contextlib2==0.6.0.post1
 decorator==4.4.0
 dm-sonnet==1.35
 future==0.18.0
-gast==0.3.2
+gast==0.2.2
 google-pasta==0.1.7
 graph-nets==1.0.4
 grpcio==1.24.1
@@ -20,10 +20,10 @@ numpy==1.17.2
 protobuf==3.10.0
 semantic-version==2.8.2
 six==1.12.0
-tensorboard==1.13.1
-tensorflow==1.13.1
-tensorflow-estimator==1.13.0
-tensorflow-probability==0.6.0
+tensorboard==1.15.0
+tensorflow==1.15.0
+tensorflow-estimator==1.15.1
+tensorflow-probability==0.7.0
 termcolor==1.1.0
 Werkzeug==0.16.0
 wrapt==1.11.2