diff --git a/src/api.ts b/src/api.ts
index ba0e404..577ffca 100755
--- a/src/api.ts
+++ b/src/api.ts
@@ -2785,6 +2785,10 @@ export const methods = {
       unsubscribe,
       type: Types.FilterTypes.block,
     }
+    if (filtersMap.size >= config.maxEntriesAllowed) {
+      filtersMap.clear()
+      console.log(`filtersMap cleared after ${config.maxEntriesAllowed} entries`)
+    }
     filtersMap.set(filterId.toString(), internalFilter)
 
     callback(null, filterId)
@@ -2819,6 +2823,10 @@ export const methods = {
       unsubscribe,
       type: Types.FilterTypes.pendingTransaction,
     }
+    if (filtersMap.size >= config.maxEntriesAllowed) {
+      filtersMap.clear()
+      console.log(`filtersMap cleared after ${config.maxEntriesAllowed} entries`)
+    }
     filtersMap.set(filterId.toString(), internalFilter)
 
     callback(null, filterId)
@@ -2920,6 +2928,10 @@ export const methods = {
       unsubscribe,
       type: Types.FilterTypes.log,
     }
+    if (filtersMap.size >= config.maxEntriesAllowed) {
+      filtersMap.clear()
+      console.log(`filtersMap cleared after ${config.maxEntriesAllowed} entries`)
+    }
     filtersMap.set(filterId.toString(), internalFilter)
 
     callback(null, filterId)
diff --git a/src/config.ts b/src/config.ts
index a633cf3..ae3e8be 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -106,6 +106,7 @@ type Config = {
   }
   axiosTimeoutInMs: number
   enableBlacklistingIP: boolean
+  maxEntriesAllowed: number // maximum number of entries allowed for map to store
 }
 
 export type ServicePointTypes = 'aalg-warmup'
@@ -249,4 +250,5 @@ export const CONFIG: Config = {
   },
   axiosTimeoutInMs: 3000,
   enableBlacklistingIP: false,
+  maxEntriesAllowed: 10000,
 }