diff --git a/.github/files/autorelease.sh b/.github/files/autorelease.sh
index 694fe87f..276f6572 100755
--- a/.github/files/autorelease.sh
+++ b/.github/files/autorelease.sh
@@ -9,11 +9,17 @@ set -eo pipefail
 : "${GITHUB_REPOSITORY:?Build argument needs to be set and non-empty.}"
 
 ## Determine tag
-if [[ ! "$GITHUB_REF" =~ ^refs/tags/v?[0-9]+(\.[0-9]+)+$ ]]; then
+if [[ ! "$GITHUB_REF" =~ ^refs/tags/v?[0-9]+(\.[0-9]+)+(-[a-z0-9._-]+)?$ ]]; then
 	echo "::error::Expected GITHUB_REF like \`refs/tags/v1.2.3\` or \`refs/tags/1.2.3\`, got \`$GITHUB_REF\`"
 	exit 1
 fi
 TAG="${GITHUB_REF#refs/tags/}"
+
+## Check for alphas
+if [[ "$TAG" =~ -(alpha|a\.[0-9]*[02468])$ ]]; then
+	echo "Not creating a release for alpha version $TAG"
+	exit 0
+fi
 echo "Creating release for $TAG"
 
 ## Determine slug and title format.
diff --git a/.github/workflows/autorelease.yml b/.github/workflows/autorelease.yml
index 5368bdf4..7fb76b4f 100644
--- a/.github/workflows/autorelease.yml
+++ b/.github/workflows/autorelease.yml
@@ -4,8 +4,11 @@ on:
   push:
     tags:
       - 'v?[0-9]+.[0-9]+'
+      - 'v?[0-9]+.[0-9]+-*'
       - 'v?[0-9]+.[0-9]+.[0-9]+'
+      - 'v?[0-9]+.[0-9]+.[0-9]+-*'
       - 'v?[0-9]+.[0-9]+.[0-9]+.[0-9]+'
+      - 'v?[0-9]+.[0-9]+.[0-9]+.[0-9]+-*'
 
 jobs:
   publish:
diff --git a/.github/workflows/autotagger.yml b/.github/workflows/autotagger.yml
index a653d6e5..a28f1e66 100644
--- a/.github/workflows/autotagger.yml
+++ b/.github/workflows/autotagger.yml
@@ -63,7 +63,7 @@ jobs:
           VER=$(sed -nEe 's/^## \[?([^]]*)\]? - .*/\1/;T;p;q' CHANGELOG.md || true)
           echo "Version from changelog is ${VER:-<unknown>}"
           echo "version=$VER" >> "$GITHUB_OUTPUT"
-          if [[ "$VER" =~ ^[0-9]+(\.[0-9]+)+$ ]]; then
+          if [[ "$VER" =~ ^[0-9]+(\.[0-9]+)+(-[a-z0-9._-]+)?$ && ! "$VER" =~ -(alpha|a\.[0-9]*[02468])$ ]]; then
             echo "Version $VER ok to tag"
             echo "run=true" >> "$GITHUB_OUTPUT"
           else
@@ -77,7 +77,7 @@ jobs:
         run: |
           RUN=true
           if [[ -e composer.json ]]; then
-            TMP=$(jq -r '.require // {} | to_entries[] | select( .value | test( "-(alpha|a.[0-9]+)$" ) ) | "\(.key) (\(.value))"' composer.json)
+            TMP=$(jq -r '.require // {} | to_entries[] | select( .value | test( "-(alpha|a\\.[0-9]*[02468])$" ) ) | "\(.key) (\(.value))"' composer.json)
             if [[ -n "$TMP" ]]; then
               echo "::notice::Not tagging due to -alpha deps on ${TMP//$'\n'/ }"
               RUN=false