diff --git a/.changeset/forty-jokes-sing.md b/.changeset/forty-jokes-sing.md
new file mode 100644
index 00000000..bbdf772b
--- /dev/null
+++ b/.changeset/forty-jokes-sing.md
@@ -0,0 +1,7 @@
+---
+'@safe-global/safe-apps-react-sdk': minor
+'@safe-global/safe-apps-provider': minor
+'@safe-global/safe-apps-sdk': minor
+---
+
+Add sideEffects false to package.json to improve tree-shaking
diff --git a/packages/safe-apps-provider/package.json b/packages/safe-apps-provider/package.json
index 0d2ba9d1..c2b123ed 100644
--- a/packages/safe-apps-provider/package.json
+++ b/packages/safe-apps-provider/package.json
@@ -10,6 +10,7 @@
     "CHANGELOG.md",
     "README.md"
   ],
+  "sideEffects": false,
   "scripts": {
     "build": "yarn rimraf dist && tsc",
     "test": "echo No tests specified"
diff --git a/packages/safe-apps-react-sdk/package.json b/packages/safe-apps-react-sdk/package.json
index 58601ca6..0c60537f 100644
--- a/packages/safe-apps-react-sdk/package.json
+++ b/packages/safe-apps-react-sdk/package.json
@@ -10,6 +10,7 @@
     "CHANGELOG.md",
     "README.md"
   ],
+  "sideEffects": false,
   "license": "MIT",
   "author": "Safe (https://safe.global)",
   "dependencies": {
diff --git a/packages/safe-apps-sdk/dist/package.json b/packages/safe-apps-sdk/dist/package.json
index 5a35c7fe..a0339cd5 100644
--- a/packages/safe-apps-sdk/dist/package.json
+++ b/packages/safe-apps-sdk/dist/package.json
@@ -10,6 +10,7 @@
         "CHANGELOG.md",
         "README.md"
     ],
+    "sideEffects": false,
     "keywords": [
         "Safe",
         "sdk",
@@ -17,7 +18,7 @@
     ],
     "scripts": {
         "test": "jest",
-        "format-dist": "sed -i '' 's/\"files\":/\"_files\":/' dist/package.json",
+        "format-dist": "sed -i 's/\"files\":/\"_files\":/' dist/package.json",
         "build": "yarn rimraf dist && tsc && yarn format-dist"
     },
     "author": "Safe (https://safe.global)",
diff --git a/packages/safe-apps-sdk/package.json b/packages/safe-apps-sdk/package.json
index d91a04c4..ee1b4a8c 100644
--- a/packages/safe-apps-sdk/package.json
+++ b/packages/safe-apps-sdk/package.json
@@ -10,6 +10,7 @@
     "CHANGELOG.md",
     "README.md"
   ],
+  "sideEffects": false,
   "keywords": [
     "Safe",
     "sdk",