diff --git a/packages/blockstore-core/package.json b/packages/blockstore-core/package.json
index e780d9e2..4fe4ad54 100644
--- a/packages/blockstore-core/package.json
+++ b/packages/blockstore-core/package.json
@@ -184,7 +184,7 @@
     "it-merge": "^3.0.1",
     "it-pushable": "^3.0.0",
     "multiformats": "^12.0.1",
-    "uint8arrays": "^4.0.2"
+    "uint8arrays": "^5.0.0"
   },
   "devDependencies": {
     "aegir": "^41.1.9",
diff --git a/packages/blockstore-s3/package.json b/packages/blockstore-s3/package.json
index 2293c219..39e05b03 100644
--- a/packages/blockstore-s3/package.json
+++ b/packages/blockstore-s3/package.json
@@ -145,7 +145,7 @@
     "interface-store": "^5.0.0",
     "it-to-buffer": "^4.0.1",
     "multiformats": "^12.0.1",
-    "uint8arrays": "^4.0.2"
+    "uint8arrays": "^5.0.0"
   },
   "devDependencies": {
     "@types/sinon": "^17.0.2",
diff --git a/packages/datastore-core/package.json b/packages/datastore-core/package.json
index 97626c5d..7824f03f 100644
--- a/packages/datastore-core/package.json
+++ b/packages/datastore-core/package.json
@@ -207,7 +207,7 @@
     "it-pushable": "^3.0.0",
     "it-sort": "^3.0.1",
     "it-take": "^3.0.1",
-    "uint8arrays": "^4.0.2"
+    "uint8arrays": "^5.0.0"
   },
   "devDependencies": {
     "aegir": "^41.1.9",
diff --git a/packages/datastore-s3/package.json b/packages/datastore-s3/package.json
index bac08ff4..32ec2486 100644
--- a/packages/datastore-s3/package.json
+++ b/packages/datastore-s3/package.json
@@ -145,7 +145,7 @@
     "interface-store": "^5.0.0",
     "it-filter": "^3.0.0",
     "it-to-buffer": "^4.0.1",
-    "uint8arrays": "^4.0.2"
+    "uint8arrays": "^5.0.0"
   },
   "devDependencies": {
     "@types/sinon": "^17.0.2",
diff --git a/packages/interface-blockstore-tests/package.json b/packages/interface-blockstore-tests/package.json
index f68b0b47..96765525 100644
--- a/packages/interface-blockstore-tests/package.json
+++ b/packages/interface-blockstore-tests/package.json
@@ -135,7 +135,7 @@
     "it-all": "^3.0.1",
     "it-drain": "^3.0.1",
     "multiformats": "^12.0.1",
-    "uint8arrays": "^4.0.2"
+    "uint8arrays": "^5.0.0"
   },
   "devDependencies": {
     "aegir": "^41.1.9"
diff --git a/packages/interface-datastore-tests/package.json b/packages/interface-datastore-tests/package.json
index ff4438b3..f347e748 100644
--- a/packages/interface-datastore-tests/package.json
+++ b/packages/interface-datastore-tests/package.json
@@ -136,7 +136,7 @@
     "it-all": "^3.0.1",
     "it-drain": "^3.0.1",
     "it-length": "^3.0.1",
-    "uint8arrays": "^4.0.2"
+    "uint8arrays": "^5.0.0"
   },
   "devDependencies": {
     "aegir": "^41.1.9"
diff --git a/packages/interface-datastore/package.json b/packages/interface-datastore/package.json
index fd5b91db..d8547a50 100644
--- a/packages/interface-datastore/package.json
+++ b/packages/interface-datastore/package.json
@@ -159,7 +159,7 @@
   "dependencies": {
     "interface-store": "^5.0.0",
     "nanoid": "^5.0.3",
-    "uint8arrays": "^4.0.2"
+    "uint8arrays": "^5.0.0"
   },
   "devDependencies": {
     "aegir": "^41.1.9"