diff --git a/keras3-cpu/Dockerfile b/keras3-cpu/Dockerfile
index d3fbf0670d2474894cffa60639398bc2cba0d897..e39a705cc18b3425fbfb0ca9bad4470fbdc3a201 100644
--- a/keras3-cpu/Dockerfile
+++ b/keras3-cpu/Dockerfile
@@ -85,6 +85,8 @@ RUN mamba install --yes \
     # umap + hdbscan
     'umap-learn' \
     'hdbscan' \
+    # gradio
+    'gradio' \
     # optuna + plotly
     'optuna' \
     'plotly' \
diff --git a/keras3-gpu/Dockerfile b/keras3-gpu/Dockerfile
index 0c25dade3ffa52411a4d87a3575013c3fa5d0b8e..32c6599bfae104c0bc6a73bd2d4c2204abd299f0 100644
--- a/keras3-gpu/Dockerfile
+++ b/keras3-gpu/Dockerfile
@@ -36,6 +36,8 @@ RUN mamba install --yes \
     # umap + hdbscan
     'umap-learn' \
     'hdbscan' \
+    # gradio
+    'gradio' \
     # optuna + plotly
     'optuna' \
     'plotly' \