diff --git a/requirements.txt b/requirements.txt
index ebca63dc..30696ef3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,6 +23,7 @@ jedi==0.17.2    # upgrading to 0.18.0 breaks autocomplete in ipython
 jupyter==1.0.0
 jupyter-resource-usage==0.6.0   # Memory viewer for notebooks
 jupyterlab==3.1.14
+keras==2.6.0
 line_profiler==3.3.1
 llvmlite==0.37.0    # numba depencency
 lz4==3.1.3        # Strax dependency