diff --git a/xc7/environment.yml b/xc7/environment.yml
index ff52b3f..79ece8e 100644
--- a/xc7/environment.yml
+++ b/xc7/environment.yml
@@ -2,8 +2,8 @@ name: xc7
 channels:
   - symbiflow
 dependencies:
-  - symbiflow::symbiflow-yosys=0.8_6021_gd8b2d1a2
-  - symbiflow::symbiflow-yosys-plugins=1.0.0.7_0117_g160b309
+  - symbiflow::symbiflow-yosys=0.8_6021_gd8b2d1a2=20200708_083630
+  - symbiflow::symbiflow-yosys-plugins=1.0.0.7_0060_g7454cd6=20200902_114536
   - symbiflow::symbiflow-vtr=8.0.0.rc2_4003_g8980e4621
   - symbiflow::prjxray-db=0.0_0230_g485a837
   - symbiflow::prjxray-tools