diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index c5fc931c6d..cbf1248110 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -23,6 +23,9 @@ jobs:
     env:
       TESTS_TO_RUN: ${{ matrix.tests }}
     steps:
+      - name: Create more disk space
+        run: sudo rm -rf /usr/share/dotnet && sudo rm -rf /opt/ghc && sudo rm -rf "/usr/local/share/boost" && sudo rm -rf "$AGENT_TOOLSDIRECTORY"
+
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6ca3b89e5b..1565a3692d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,10 +1,14 @@
 # Changelog
 
-## UNRELEASED
+*Jul 26, 2024*
+
+## v1.3.1
 
 * (store) [#1510](https://github.com/crypto-org-chain/cronos/pull/1510) Upgrade rocksdb to `v9.1.1`.
 * (store) [#1511](https://github.com/crypto-org-chain/cronos/pull/1511) Upgrade rocksdb to `v9.2.1`.
 * (e2ee) [#1513](https://github.com/crypto-org-chain/cronos/pull/1513) Add pubkey subcommand to e2ee cli.
+* (store) [#1526](https://github.com/crypto-org-chain/cronos/pull/1526) Cache index/filters in rocksdb application.db to reduce ram usage.
+* (store) [#1529](https://github.com/crypto-org-chain/cronos/pull/1529) Enable pinL0FilterAndIndexBlocksInCache.
 
 *Jul 7, 2024*
 
diff --git a/cmd/cronosd/opendb/opendb_rocksdb.go b/cmd/cronosd/opendb/opendb_rocksdb.go
index 4b3b4fe800..c2d4599c8d 100644
--- a/cmd/cronosd/opendb/opendb_rocksdb.go
+++ b/cmd/cronosd/opendb/opendb_rocksdb.go
@@ -110,6 +110,11 @@ func NewRocksdbOptions(opts *grocksdb.Options, sstFileWriter bool) *grocksdb.Opt
 	bbto.SetPartitionFilters(true)
 	bbto.SetOptimizeFiltersForMemory(true)
 
+	// reduce memory usage
+	bbto.SetCacheIndexAndFilterBlocks(true)
+	bbto.SetPinTopLevelIndexAndFilter(true)
+	bbto.SetPinL0FilterAndIndexBlocksInCache(true)
+
 	// hash index is better for iavl tree which mostly do point lookup.
 	bbto.SetDataBlockIndexType(grocksdb.KDataBlockIndexTypeBinarySearchAndHash)
 
diff --git a/default.nix b/default.nix
index 4501d75db8..6b01d71c1d 100644
--- a/default.nix
+++ b/default.nix
@@ -11,7 +11,7 @@
 , nativeByteOrder ? true # nativeByteOrder mode will panic on big endian machines
 }:
 let
-  version = "v1.3.0";
+  version = "v1.3.1";
   pname = "cronosd";
   tags = [ "ledger" "netgo" network "rocksdb" "grocksdb_no_link" ] ++ lib.optionals nativeByteOrder [ "nativebyteorder" ];
   ldflags = lib.concatStringsSep "\n" ([