diff --git a/Dockerfile b/Dockerfile
index 7bbe43f..04fb10c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -22,4 +22,4 @@ EXPOSE 8000
 ARG GIT_REVISION
 ENV DENO_DEPLOYMENT_ID=${GIT_REVISION}
 
-CMD ["serve", "--allow-env", "--allow-net", "--allow-read", "/app/server.js"]
+CMD ["serve", "--allow-env", "--allow-net", "--allow-read", "--v8-flags=--expose-gc", "/app/server.js"]
diff --git a/src/lib/file.ts b/src/lib/file.ts
index 34f5a80..2a952a6 100644
--- a/src/lib/file.ts
+++ b/src/lib/file.ts
@@ -12,6 +12,10 @@ import { client } from "./blueskyClient.ts"
 
 const TRAQ_IMAGE_MAX_PIXELS = 2560 * 1600
 
+declare global {
+  var gc: (() => void) | undefined
+}
+
 interface UploadImageParams {
   accessToken: string
   did: Did
@@ -62,6 +66,10 @@ export const uploadImages = async (
     }
 
     imageIds.push(uploadedFile.id)
+
+    if (typeof gc === "function") {
+      gc()
+    }
   }
 
   return imageIds