diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3270acbc..49739cdc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+## 1.66.1
+
+### JS API
+
+* Fix a bug where Sass compilation could crash in strict mode if passed a
+  callback that threw a string, boolean, number, symbol, or bignum.
+
 ## 1.66.0
 
 * **Breaking change:** Drop support for the additional CSS calculations defined
diff --git a/npm/darwin-arm64/package.json b/npm/darwin-arm64/package.json
index 8f316b69..ef47479c 100644
--- a/npm/darwin-arm64/package.json
+++ b/npm/darwin-arm64/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-darwin-arm64",
-  "version": "1.66.0",
+  "version": "1.66.1",
   "description": "The darwin-arm64 binary for sass-embedded",
   "repository": "sass/embedded-host-node",
   "author": "Google Inc.",
diff --git a/npm/darwin-x64/package.json b/npm/darwin-x64/package.json
index 179f2561..3cae9643 100644
--- a/npm/darwin-x64/package.json
+++ b/npm/darwin-x64/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-darwin-x64",
-  "version": "1.66.0",
+  "version": "1.66.1",
   "description": "The darwin-x64 binary for sass-embedded",
   "repository": "sass/embedded-host-node",
   "author": "Google Inc.",
diff --git a/npm/linux-arm/package.json b/npm/linux-arm/package.json
index 369db011..34901cc4 100644
--- a/npm/linux-arm/package.json
+++ b/npm/linux-arm/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-linux-arm",
-  "version": "1.66.0",
+  "version": "1.66.1",
   "description": "The linux-arm binary for sass-embedded",
   "repository": "sass/embedded-host-node",
   "author": "Google Inc.",
diff --git a/npm/linux-arm64/package.json b/npm/linux-arm64/package.json
index ce0553ee..2ebc4d2c 100644
--- a/npm/linux-arm64/package.json
+++ b/npm/linux-arm64/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-linux-arm64",
-  "version": "1.66.0",
+  "version": "1.66.1",
   "description": "The linux-arm64 binary for sass-embedded",
   "repository": "sass/embedded-host-node",
   "author": "Google Inc.",
diff --git a/npm/linux-ia32/package.json b/npm/linux-ia32/package.json
index e4b3ca1a..31dbdf95 100644
--- a/npm/linux-ia32/package.json
+++ b/npm/linux-ia32/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-linux-ia32",
-  "version": "1.66.0",
+  "version": "1.66.1",
   "description": "The linux-ia32 binary for sass-embedded",
   "repository": "sass/embedded-host-node",
   "author": "Google Inc.",
diff --git a/npm/linux-x64/package.json b/npm/linux-x64/package.json
index 602fcf3b..64020198 100644
--- a/npm/linux-x64/package.json
+++ b/npm/linux-x64/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-linux-x64",
-  "version": "1.66.0",
+  "version": "1.66.1",
   "description": "The linux-x64 binary for sass-embedded",
   "repository": "sass/embedded-host-node",
   "author": "Google Inc.",
diff --git a/npm/win32-ia32/package.json b/npm/win32-ia32/package.json
index 6171000f..77d85e2e 100644
--- a/npm/win32-ia32/package.json
+++ b/npm/win32-ia32/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-win32-ia32",
-  "version": "1.66.0",
+  "version": "1.66.1",
   "description": "The win32-ia32 binary for sass-embedded",
   "repository": "sass/embedded-host-node",
   "author": "Google Inc.",
diff --git a/npm/win32-x64/package.json b/npm/win32-x64/package.json
index 58d46f0f..ebdbaa90 100644
--- a/npm/win32-x64/package.json
+++ b/npm/win32-x64/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-win32-x64",
-  "version": "1.66.0",
+  "version": "1.66.1",
   "description": "The win32-x64 binary for sass-embedded",
   "repository": "sass/embedded-host-node",
   "author": "Google Inc.",
diff --git a/package.json b/package.json
index 5f67da31..b6d9cbac 100644
--- a/package.json
+++ b/package.json
@@ -1,8 +1,8 @@
 {
   "name": "sass-embedded",
-  "version": "1.66.0",
+  "version": "1.66.1",
   "protocol-version": "2.1.0",
-  "compiler-version": "1.66.0",
+  "compiler-version": "1.66.1",
   "description": "Node.js library that communicates with Embedded Dart Sass using the Embedded Sass protocol",
   "repository": "sass/embedded-host-node",
   "author": "Google Inc.",
@@ -31,14 +31,14 @@
     "test": "jest"
   },
   "optionalDependencies": {
-    "sass-embedded-darwin-arm64": "1.66.0",
-    "sass-embedded-darwin-x64": "1.66.0",
-    "sass-embedded-linux-arm": "1.66.0",
-    "sass-embedded-linux-arm64": "1.66.0",
-    "sass-embedded-linux-ia32": "1.66.0",
-    "sass-embedded-linux-x64": "1.66.0",
-    "sass-embedded-win32-ia32": "1.66.0",
-    "sass-embedded-win32-x64": "1.66.0"
+    "sass-embedded-darwin-arm64": "1.66.1",
+    "sass-embedded-darwin-x64": "1.66.1",
+    "sass-embedded-linux-arm": "1.66.1",
+    "sass-embedded-linux-arm64": "1.66.1",
+    "sass-embedded-linux-ia32": "1.66.1",
+    "sass-embedded-linux-x64": "1.66.1",
+    "sass-embedded-win32-ia32": "1.66.1",
+    "sass-embedded-win32-x64": "1.66.1"
   },
   "dependencies": {
     "@bufbuild/protobuf": "^1.0.0",