diff --git a/README.rst b/README.rst
index 5e4fe88..f1c0cad 100644
--- a/README.rst
+++ b/README.rst
@@ -90,7 +90,7 @@ and so you will need to add some ``sudo`` commands to the instructions below.
         conda env create -f xc7/environment.yml
         conda activate xc7
         mkdir -p $INSTALL_DIR/xc7/install
-        wget -qO- https://storage.googleapis.com/symbiflow-arch-defs/artifacts/prod/foss-fpga-tools/symbiflow-arch-defs/continuous/install/66/20200914-111752/symbiflow-arch-defs-install-05d68df0.tar.xz | tar -xJC $INSTALL_DIR/xc7/install
+        wget -qO- https://storage.googleapis.com/symbiflow-arch-defs/artifacts/prod/foss-fpga-tools/symbiflow-arch-defs/continuous/install/98/20201120-093358/symbiflow-arch-defs-install-d5f8ce8d.tar.xz | tar -xJC $INSTALL_DIR/xc7/install
         conda deactivate
 
 * For the EOS S3 devices:
diff --git a/xc7/environment.yml b/xc7/environment.yml
index 24fc2b2..493a6bf 100644
--- a/xc7/environment.yml
+++ b/xc7/environment.yml
@@ -3,9 +3,9 @@ channels:
   - symbiflow
 dependencies:
   - 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_0232_g303a61d=20200902_114536
+  - symbiflow::symbiflow-yosys-plugins=1.0.0.7_0174_g5e6370a=20201012_171341
+  - symbiflow::symbiflow-vtr=8.0.0.rc2_5097_gf1a3bcc2a=20200916_072439
+  - symbiflow::prjxray-db=0.0_0239_gd87c844=20201120_180018
   - symbiflow::prjxray-tools
   - make
   - lxml