diff --git a/actions/version/tests/post-version.test.yml b/actions/version/tests/post-version.test.yml
new file mode 100644
index 0000000000..2b148f47b2
--- /dev/null
+++ b/actions/version/tests/post-version.test.yml
@@ -0,0 +1,43 @@
+uses: ./actions/version
+id: version
+with:
+  version: "0.4.13.post0"
+
+after:
+- shell: bash
+  run: |
+    VERSION_OUTPUT='${{ steps.version.outputs.version }}'
+    if [[ -z "$VERSION_OUTPUT" ]]; then
+        echo "fail:Version output is empty" >> "$TEST_OUTPUT"
+    else
+        echo "success:Version output: $VERSION_OUTPUT" >> "$TEST_OUTPUT"
+    fi
+
+    VERSION_VALUE=$(echo "$VERSION_OUTPUT" | jq -r '.version')
+    IS_DEV=$(echo "$VERSION_OUTPUT" | jq -r '.is_dev')
+    POST=$(echo "$VERSION_OUTPUT" | jq -r '.post')
+    NEXT=$(echo "$VERSION_OUTPUT" | jq -r '.next')
+
+    if [[ "$VERSION_VALUE" != "0.4.13.post0" ]]; then
+        echo "fail:Expected version '0.4.13.post0', got '$VERSION_VALUE'" >> "$TEST_OUTPUT"
+    else
+        echo "success:Version value is correct: $VERSION_VALUE" >> "$TEST_OUTPUT"
+    fi
+
+    if [[ "$IS_DEV" != "false" ]]; then
+        echo "fail:Expected is_dev 'false', got '$IS_DEV'" >> "$TEST_OUTPUT"
+    else
+        echo "success:is_dev flag is correct: $IS_DEV" >> "$TEST_OUTPUT"
+    fi
+
+    if [[ "$POST" != "0" ]]; then
+        echo "fail:Expected post '0', got '$POST'" >> "$TEST_OUTPUT"
+    else
+        echo "success:post value is correct: $POST" >> "$TEST_OUTPUT"
+    fi
+
+    if [[ "$NEXT" != "0.4.13.post1-dev" ]]; then
+        echo "fail:Expected next '0.4.13.post1-dev', got '$NEXT'" >> "$TEST_OUTPUT"
+    else
+        echo "success:next value is correct: $NEXT" >> "$TEST_OUTPUT"
+    fi
diff --git a/jq/tests/utils/version-dev.test.yml b/jq/tests/utils/version-dev.test.yml
index 980f9697da..8ca8f0af3a 100644
--- a/jq/tests/utils/version-dev.test.yml
+++ b/jq/tests/utils/version-dev.test.yml
@@ -10,4 +10,5 @@ expected:
   major: 1
   minor: 2
   patch: 3
+  post: null
   next: "1.2.3"
diff --git a/jq/tests/utils/version-post-bump.test.yml b/jq/tests/utils/version-post-bump.test.yml
new file mode 100644
index 0000000000..5af121341d
--- /dev/null
+++ b/jq/tests/utils/version-post-bump.test.yml
@@ -0,0 +1,14 @@
+name: utils::version bumps post release version
+
+input: "1.2.3.post7"
+
+module: utils::version
+
+expected:
+  version: "1.2.3.post7"
+  is_dev: false
+  major: 1
+  minor: 2
+  patch: 3
+  post: 7
+  next: "1.2.3.post8-dev"
diff --git a/jq/tests/utils/version-post-dev.test.yml b/jq/tests/utils/version-post-dev.test.yml
new file mode 100644
index 0000000000..be301cbf9a
--- /dev/null
+++ b/jq/tests/utils/version-post-dev.test.yml
@@ -0,0 +1,14 @@
+name: utils::version parses post development version
+
+input: "0.4.13.post0-dev"
+
+module: utils::version
+
+expected:
+  version: "0.4.13.post0-dev"
+  is_dev: true
+  major: 0
+  minor: 4
+  patch: 13
+  post: 0
+  next: "0.4.13.post0"
diff --git a/jq/tests/utils/version-post-release.test.yml b/jq/tests/utils/version-post-release.test.yml
new file mode 100644
index 0000000000..5cd0f8b411
--- /dev/null
+++ b/jq/tests/utils/version-post-release.test.yml
@@ -0,0 +1,14 @@
+name: utils::version parses post release version
+
+input: "0.4.13.post0"
+
+module: utils::version
+
+expected:
+  version: "0.4.13.post0"
+  is_dev: false
+  major: 0
+  minor: 4
+  patch: 13
+  post: 0
+  next: "0.4.13.post1-dev"
diff --git a/jq/tests/utils/version-release.test.yml b/jq/tests/utils/version-release.test.yml
index 61e547ba7b..78870a0b81 100644
--- a/jq/tests/utils/version-release.test.yml
+++ b/jq/tests/utils/version-release.test.yml
@@ -10,4 +10,5 @@ expected:
   major: 1
   minor: 2
   patch: 3
+  post: null
   next: "1.2.4-dev"
diff --git a/jq/utils.jq b/jq/utils.jq
index 897a5af9f1..bdbfedb2c3 100644
--- a/jq/utils.jq
+++ b/jq/utils.jq
@@ -17,18 +17,27 @@ def bytesize:
 ;
 
 def version:
-  .
+  . as $input
   | endswith("-dev") as $is_dev
-  | (. | split("-") | .[0] | split(".") | map(tonumber)) as $parts
-  | (if $is_dev then "\($parts[0]).\($parts[1]).\($parts[2])"
-     else "\($parts[0]).\($parts[1]).\($parts[2] + 1)-dev"
+  | ($input | split("-") | .[0]) as $base
+  | ($base
+     | capture("^(?<maj>[0-9]+)\\.(?<min>[0-9]+)\\.(?<pat>[0-9]+)(\\.post(?<post>[0-9]+))?$")
+       // error("utils::version: unsupported version string: \($input)")) as $match
+  | ($match.maj | tonumber) as $major
+  | ($match.min | tonumber) as $minor
+  | ($match.pat | tonumber) as $patch
+  | ($match.post | if . == null then null else tonumber end) as $post
+  | (if $is_dev then $base
+     elif $post != null then "\($major).\($minor).\($patch).post\($post + 1)-dev"
+     else "\($major).\($minor).\($patch + 1)-dev"
      end) as $next
   | {
-      version: .,
+      version: $input,
       is_dev:  $is_dev,
-      major: $parts[0],
-      minor:  $parts[1],
-      patch: $parts[2],
+      major: $major,
+      minor:  $minor,
+      patch: $patch,
+      post: $post,
       next: $next
     }
 ;