diff --git a/entrypoint.sh b/entrypoint.sh
index 78f9001..f95fe3b 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -1,18 +1,31 @@
 #!/bin/bash -e
 
-API="$GITHUB_SERVER_URL/api/actions_pipeline/_apis/pipelines/workflows/$GITHUB_RUN_ID/artifacts"
+# https://github.com/go-gitea/gitea/blob/47bf8363102b95a240fc6a571d608567ff6b212a/routers/api/actions/artifacts.go
+
 CURL=(curl -H "Authorization: Bearer $ACTIONS_RUNTIME_TOKEN")
 
-UPLOAD_URL="$("${CURL[@]}" --data "{\"Type\":\"actions_storage\",\"Name\":\"$INPUT_NAME\"}" "$API" | jq -r '.fileContainerResourceUrl')"
+API="$GITHUB_SERVER_URL/api/actions_pipeline/_apis/pipelines/workflows/$GITHUB_RUN_ID/artifacts?api-version=6.0-preview"
+
+JSON="$(cat <<EOF
+{
+    "Type": "actions_storage",
+    "Name": "$INPUT_NAME"
+}
+EOF
+)"
+UPLOAD_URL="$("${CURL[@]}" --data "$JSON" "$API" | jq -r '.fileContainerResourceUrl')"
+UPLOAD_URL+="?retentionDays=$INPUT_RETENTION_DAYS"
+UPLOAD_URL+="&itemPath=$INPUT_NAME%2F$artifact"
+
 for artifact in $INPUT_PATH; do
-    content_length=$(stat -c '%s' "$artifact")
-    md5=$(openssl md5 -binary "$artifact" | base64)
+    SIZE=$(stat -c '%s' "$artifact")
+    MD5=$(openssl md5 -binary "$artifact" | base64)
+
     "${CURL[@]}" -XPUT \
-        -H "x-actions-results-md5: $md5" \
-        -H "x-tfs-filelength: ${content_length}" \
-        -H "content-range: bytes 0-$((content_length-1))/${content_length}" \
+        -H "x-tfs-filelength: $SIZE" \
+        -H "x-actions-results-md5: $MD5" \
+        -H "content-range: bytes 0-$((SIZE - 1))/$SIZE" \
         --data-binary "@$artifact" \
-        "$UPLOAD_URL?retentionDays=$INPUT_RETENTION_DAYS&itemPath=$INPUT_NAME%2F$artifact"
-    "${CURL[@]}" -XPATCH \
-        "$API&artifactName=$INPUT_NAME"
+        "$UPLOAD_URL"
+    "${CURL[@]}" -XPATCH "$API&artifactName=$INPUT_NAME"
 done