diff --git a/simzoo/envs/oscillator b/simzoo/envs/oscillator
index 4a209964..df9d9b40 160000
--- a/simzoo/envs/oscillator
+++ b/simzoo/envs/oscillator
@@ -1 +1 @@
-Subproject commit 4a20996462e3c733447b005c5df1c79ffb350c1f
+Subproject commit df9d9b40575c8cb527c6e8deb0c8cca5e6497ebb