diff --git a/tanks-backend/deps.json b/tanks-backend/deps.json
index df4c241..c90c1d8 100644
--- a/tanks-backend/deps.json
+++ b/tanks-backend/deps.json
@@ -1,9 +1,4 @@
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@@ -15,16 +10,6 @@
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@@ -54,464 +39,19 @@
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-    "pname": "xunit.core",
-    "version": "2.5.3",
-    "hash": "sha256-TEL6tBUxWDU9rVOj4KaxBpL+uZQ/3kcZWVDDueeQkhw="
-  },
-  {
-    "pname": "xunit.extensibility.core",
-    "version": "2.5.3",
-    "hash": "sha256-IjyXgVi/AAnilPsD4IrnqtSrr7Ugu75DguPnI2bVSFs="
-  },
-  {
-    "pname": "xunit.extensibility.execution",
-    "version": "2.5.3",
-    "hash": "sha256-zN7R4kZGsujpo8aAn4OHdtA0u/r5aeiZaw6A53B69KU="
-  },
-  {
-    "pname": "xunit.runner.visualstudio",
-    "version": "2.5.3",
-    "hash": "sha256-GZN1E9rOGorQvVSbGTsmXgJxj2TtJwJxCuo+oh+NEBI="
   }
 ]
diff --git a/tanks-backend/gen-deps.sh b/tanks-backend/gen-deps.sh
index 53e8dca..1ca4ec1 100755
--- a/tanks-backend/gen-deps.sh
+++ b/tanks-backend/gen-deps.sh
@@ -6,5 +6,5 @@ set -euxo pipefail
 # nuget-to-json out > deps.json
 
 # update
-nix build ".?submodules=1#servicepoint-tanks-backend.fetch-deps"
+nix build .#servicepoint-tanks-backend.fetch-deps
 ./result deps.json