diff --git a/environment.sh b/.env
similarity index 88%
rename from environment.sh
rename to .env
index 1c622d0..bb9640c 100644
--- a/environment.sh
+++ b/.env
@@ -4,6 +4,7 @@ export VIVADO=/tools/Xilinx/Vivado/2023.1/bin/vivado
 
 export YOSYS=/tools/oss-cad-suite/bin/yosys
 export NEXTPNR_ICE40=/tools/oss-cad-suite/bin/nextpnr-ice40
+export NEXTPNR_GOWIN=/tools/oss-cad-suite/bin/nextpnr-gowin
 export ICEPACK=/tools/oss-cad-suite/bin/icepack
 export ICEPROG=/tools/oss-cad-suite/bin/iceprog
 
diff --git a/.github/workflows/run_tests.yml b/.github/workflows/run_tests.yml
index 6ca7c41..80bc78c 100644
--- a/.github/workflows/run_tests.yml
+++ b/.github/workflows/run_tests.yml
@@ -28,7 +28,7 @@ jobs:
 
       - name: Run tests
         run: |
-          source ./environment.sh
+          source .env
           source venv/bin/activate
           make test