diff --git a/package-lock.json b/package-lock.json
index 1de11bf5..39a91bc7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13504,7 +13504,7 @@
     },
     "packages/algo-ts/dist": {
       "name": "@algorandfoundation/algorand-typescript",
-      "version": "0.0.1-alpha.19",
+      "version": "0.0.1-alpha.20",
       "dev": true,
       "peerDependencies": {
         "tslib": "^2.6.2"
diff --git a/packages/algo-ts/package-lock.json b/packages/algo-ts/package-lock.json
index 46bd63d8..95045409 100644
--- a/packages/algo-ts/package-lock.json
+++ b/packages/algo-ts/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@algorandfoundation/algorand-typescript",
-  "version": "0.0.1-alpha.19",
+  "version": "0.0.1-alpha.20",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@algorandfoundation/algorand-typescript",
-      "version": "0.0.1-alpha.19",
+      "version": "0.0.1-alpha.20",
       "devDependencies": {
         "@eslint/eslintrc": "^3.2.0",
         "@eslint/js": "^9.16.0",
@@ -33,7 +33,7 @@
         "rimraf": "6.0.1",
         "rollup": "4.28.1",
         "tsx": "4.19.2",
-        "typescript": "^5.7.2",
+        "typescript": "5.6.2",
         "vitest": "2.1.8"
       },
       "peerDependencies": {
@@ -5885,9 +5885,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.7.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.7.2.tgz",
-      "integrity": "sha512-i5t66RHxDvVN40HfDd1PsEThGNnlMCMT3jMUuoh9/0TaqWevNontacunWyN02LA9/fIbEWlcHZcgTKb9QoaLfg==",
+      "version": "5.6.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.6.2.tgz",
+      "integrity": "sha512-NW8ByodCSNCwZeghjN3o+JX5OFH0Ojg6sadjEKY4huZ52TqbJTJnDo5+Tw98lSy63NZvi4n+ez5m2u5d4PkZyw==",
       "dev": true,
       "license": "Apache-2.0",
       "bin": {
diff --git a/packages/algo-ts/package.json b/packages/algo-ts/package.json
index cd9db83c..fb5bdf69 100644
--- a/packages/algo-ts/package.json
+++ b/packages/algo-ts/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@algorandfoundation/algorand-typescript",
-  "version": "0.0.1-alpha.19",
+  "version": "0.0.1-alpha.20",
   "description": "This package contains definitions for the types which comprise Algorand TypeScript which can be compiled to run on the Algorand Virtual Machine using the Puya compiler.",
   "private": false,
   "main": "index.js",
@@ -46,7 +46,7 @@
     "rimraf": "6.0.1",
     "rollup": "4.28.1",
     "tsx": "4.19.2",
-    "typescript": "^5.7.2",
+    "typescript": "5.6.2",
     "vitest": "2.1.8"
   },
   "overrides": {