diff --git a/package-lock.json b/package-lock.json
index 38e85d2..da4af2f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,15 +1,15 @@
 {
   "name": "lemonad",
-  "version": "0.8.0",
+  "version": "0.8.0-alpha.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "lemonad",
-      "version": "0.8.0",
+      "version": "0.8.0-alpha.0",
       "license": "MIT",
       "dependencies": {
-        "immutable": "4.0.0-rc.12"
+        "immutable": "4.3.8"
       },
       "devDependencies": {
         "jest": "^29.6.1"
@@ -49,7 +49,6 @@
       "integrity": "sha512-e7jT4DxYvIDLk1ZHmU/m/mB19rex9sv0c2ftBtjSBv+kVM/902eh0fINUzD7UwLLNR+jU585GxUJ8/EBfAM5fw==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@babel/code-frame": "^7.27.1",
         "@babel/generator": "^7.28.5",
@@ -1268,7 +1267,6 @@
         }
       ],
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "baseline-browser-mapping": "^2.9.0",
         "caniuse-lite": "^1.0.30001759",
@@ -1865,9 +1863,10 @@
       }
     },
     "node_modules/immutable": {
-      "version": "4.0.0-rc.12",
-      "resolved": "https://registry.npmjs.org/immutable/-/immutable-4.0.0-rc.12.tgz",
-      "integrity": "sha512-0M2XxkZLx/mi3t8NVwIm1g8nHoEmM9p9UBl/G9k4+hm0kBgOVdMV/B3CY5dQ8qG8qc80NN4gDV4HQv6FTJ5q7A=="
+      "version": "4.3.8",
+      "resolved": "https://registry.npmjs.org/immutable/-/immutable-4.3.8.tgz",
+      "integrity": "sha512-d/Ld9aLbKpNwyl0KiM2CT1WYvkitQ1TSvmRtkcV8FKStiDoA7Slzgjmb/1G2yhKM1p0XeNOieaTbFZmU1d3Xuw==",
+      "license": "MIT"
     },
     "node_modules/import-local": {
       "version": "3.2.0",
diff --git a/package.json b/package.json
index ed277c6..89eb2bb 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "url": "https://github.com/fogus/lemonad.git"
   },
   "dependencies": {
-    "immutable": "4.0.0-rc.12"
+    "immutable": "4.3.8"
   },
   "devDependencies": {
     "jest": "^29.6.1"