diff --git a/packages/lit-2/package.json b/packages/lit-2/package.json
index dfbfe2a..c11b104 100644
--- a/packages/lit-2/package.json
+++ b/packages/lit-2/package.json
@@ -15,7 +15,7 @@
     "lit": "2.8.0"
   },
   "devDependencies": {
-    "esbuild": "0.20.2",
+    "esbuild": "0.21.1",
     "@eik/esbuild-plugin": "1.1.47"
   },
   "eik": {
diff --git a/packages/lit-3/package.json b/packages/lit-3/package.json
index 9e9e220..4f1e6dc 100644
--- a/packages/lit-3/package.json
+++ b/packages/lit-3/package.json
@@ -15,7 +15,7 @@
     "lit": "3.1.3"
   },
   "devDependencies": {
-    "esbuild": "0.20.2",
+    "esbuild": "0.21.1",
     "@eik/esbuild-plugin": "1.1.47"
   },
   "eik": {
diff --git a/packages/lit-element/package.json b/packages/lit-element/package.json
index 61af6b8..d2e1353 100644
--- a/packages/lit-element/package.json
+++ b/packages/lit-element/package.json
@@ -15,7 +15,7 @@
     "lit-element": "4.0.5"
   },
   "devDependencies": {
-    "esbuild": "0.20.2"
+    "esbuild": "0.21.1"
   },
   "eik": {
     "name": "lit-element",
diff --git a/packages/lit-html/package.json b/packages/lit-html/package.json
index 94740f8..aaf7e51 100644
--- a/packages/lit-html/package.json
+++ b/packages/lit-html/package.json
@@ -15,7 +15,7 @@
     "lit-html": "3.1.3"
   },
   "devDependencies": {
-    "esbuild": "0.20.2"
+    "esbuild": "0.21.1"
   },
   "eik": {
     "name": "lit-html",
diff --git a/packages/lit-labs-ssr-client/package.json b/packages/lit-labs-ssr-client/package.json
index 7996d35..83441ef 100644
--- a/packages/lit-labs-ssr-client/package.json
+++ b/packages/lit-labs-ssr-client/package.json
@@ -15,7 +15,7 @@
     "@lit-labs/ssr-client": "1.1.7"
   },
   "devDependencies": {
-    "esbuild": "0.20.2"
+    "esbuild": "0.21.1"
   },
   "eik": {
     "name": "@lit-labs/ssr-client",
diff --git a/packages/lit/package.json b/packages/lit/package.json
index 67cbcf2..27674ea 100644
--- a/packages/lit/package.json
+++ b/packages/lit/package.json
@@ -15,7 +15,7 @@
     "lit": "3.1.3"
   },
   "devDependencies": {
-    "esbuild": "0.20.2"
+    "esbuild": "0.21.1"
   },
   "eik": {
     "name": "lit",
diff --git a/packages/podium-browser/package.json b/packages/podium-browser/package.json
index c9bac93..3e61a80 100644
--- a/packages/podium-browser/package.json
+++ b/packages/podium-browser/package.json
@@ -15,7 +15,7 @@
         "@podium/browser": "1.2.1"
     },
     "devDependencies": {
-        "esbuild": "0.20.2"
+        "esbuild": "0.21.1"
     },
     "eik": {
         "name": "@podium/browser",