diff --git a/praxis/pip_package/requirements.in b/praxis/pip_package/requirements.in
index d6a36df7..0905e836 100644
--- a/praxis/pip_package/requirements.in
+++ b/praxis/pip_package/requirements.in
@@ -4,7 +4,7 @@
 absl-py
 clu
 einops
-fiddle
+fiddle==0.2.5
 flax
 jax
 jax-bitempered-loss
diff --git a/praxis/pip_package/requirements.txt b/praxis/pip_package/requirements.txt
index 02248ef4..88cbe176 100644
--- a/praxis/pip_package/requirements.txt
+++ b/praxis/pip_package/requirements.txt
@@ -85,7 +85,7 @@ executing==1.2.0
     # via stack-data
 fastjsonschema==2.16.2
     # via nbformat
-fiddle==0.2.4
+fiddle==0.2.5
     # via -r praxis-requirements.in
 flatbuffers==1.12
     # via tensorflow