diff --git a/dist/index.js b/dist/index.js
index 213d8538..1ccdf150 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -2570,7 +2570,11 @@ ${chain}
         }
         return top_level_comment;
     }
+    reviewCommentsCache = {};
     async list_review_comments(target) {
+        if (this.reviewCommentsCache[target]) {
+            return this.reviewCommentsCache[target];
+        }
         const all_comments = [];
         let page = 1;
         try {
@@ -2588,6 +2592,7 @@ ${chain}
                     break;
                 }
             }
+            this.reviewCommentsCache[target] = all_comments;
             return all_comments;
         }
         catch (e) {
@@ -2680,7 +2685,11 @@ ${chain}
             return null;
         }
     }
+    issueCommentsCache = {};
     async list_comments(target) {
+        if (this.issueCommentsCache[target]) {
+            return this.issueCommentsCache[target];
+        }
         const all_comments = [];
         let page = 1;
         try {
@@ -2698,6 +2707,7 @@ ${chain}
                     break;
                 }
             }
+            this.issueCommentsCache[target] = all_comments;
             return all_comments;
         }
         catch (e) {
diff --git a/src/commenter.ts b/src/commenter.ts
index e300a0a7..7575b9da 100644
--- a/src/commenter.ts
+++ b/src/commenter.ts
@@ -353,7 +353,13 @@ ${chain}
     return top_level_comment
   }
 
+  private reviewCommentsCache: Record<number, any[]> = {}
+
   async list_review_comments(target: number) {
+    if (this.reviewCommentsCache[target]) {
+      return this.reviewCommentsCache[target]
+    }
+
     const all_comments: any[] = []
     let page = 1
     try {
@@ -372,6 +378,7 @@ ${chain}
         }
       }
 
+      this.reviewCommentsCache[target] = all_comments
       return all_comments
     } catch (e) {
       core.warning(`Failed to list review comments: ${e}`)
@@ -462,7 +469,13 @@ ${chain}
     }
   }
 
+  private issueCommentsCache: Record<number, any[]> = {}
+
   async list_comments(target: number) {
+    if (this.issueCommentsCache[target]) {
+      return this.issueCommentsCache[target]
+    }
+
     const all_comments: any[] = []
     let page = 1
     try {
@@ -481,6 +494,7 @@ ${chain}
         }
       }
 
+      this.issueCommentsCache[target] = all_comments
       return all_comments
     } catch (e: unknown) {
       if (e instanceof ChatGPTError) {