diff --git a/simzoo/envs/ex3_ekf b/simzoo/envs/ex3_ekf
index a35a41ae..e0bdc6ac 160000
--- a/simzoo/envs/ex3_ekf
+++ b/simzoo/envs/ex3_ekf
@@ -1 +1 @@
-Subproject commit a35a41aea3c1d1d782a33828180bd69542356710
+Subproject commit e0bdc6ac6731777f18bf41f51d04fd860a3a84e5
diff --git a/simzoo/envs/oscillator b/simzoo/envs/oscillator
index 8559c597..e108b82c 160000
--- a/simzoo/envs/oscillator
+++ b/simzoo/envs/oscillator
@@ -1 +1 @@
-Subproject commit 8559c597fd3f13c6f018fc909ab80a0e4a7d89f9
+Subproject commit e108b82c514e23fa70724204dc52aae0f40645d4