diff --git a/infrastructure/elasticache.tf b/infrastructure/elasticache.tf
index 046a093b..5828d2e9 100644
--- a/infrastructure/elasticache.tf
+++ b/infrastructure/elasticache.tf
@@ -6,7 +6,7 @@ resource "aws_security_group" "elasticache_security_group" {
     from_port   = 6379
     to_port     = 6379
     protocol    = "tcp"
-    cidr_blocks = ["10.0.0.0/16"] // Restrict to a specific CIDR block, ideally your VPC's CIDR
+    cidr_blocks = ["172.31.0.0/16"] // Restrict to a specific CIDR block, ideally your VPC's CIDR
   }
 }
 
@@ -75,6 +75,7 @@ resource "aws_iam_policy" "elasticache_policy" {
           "elasticache:ModifyCacheParameterGroup",
           "iam:ListAttachedUserPolicies",
           "iam:CreatePolicy",
+          "iam:CreatePolicyVersion",
           "iam:AttachUserPolicy",
           "iam:GetPolicyVersion",
           "iam:ListPolicyVersions",