diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index df4a32434e..429cc74d25 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -41,8 +41,10 @@ on:
       - 'pkg/ge-additions/**'
       - 'pkg/libaes_siv/**'
       - 'pkg/urbit/**'
+      - 'pkg/urcrypt/**'
       - 'bin/**'
       - 'nix/**'
+      - default.nix
   pull_request:
     paths:
       - 'pkg/arvo/**'
@@ -51,8 +53,10 @@ on:
       - 'pkg/ge-additions/**'
       - 'pkg/libaes_siv/**'
       - 'pkg/urbit/**'
+      - 'pkg/urcrypt/**'
       - 'bin/**'
       - 'nix/**'
+      - default.nix
 
 jobs:
   urbit:
diff --git a/.github/workflows/release-docker.yml b/.github/workflows/release-docker.yml
index 293e0d0428..13fc3f9156 100644
--- a/.github/workflows/release-docker.yml
+++ b/.github/workflows/release-docker.yml
@@ -3,7 +3,7 @@ name: release-docker
 on:
   release: null
   push:
-    tags: ['urbit-v*']
+    tags: 'urbit-v[0-9]+.[0-9]+'
 
 jobs:
   upload: