diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0c306b1a..9d64f38c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,17 @@
+## 1.77.2
+
+* Don't emit deprecation warnings for functions and mixins beginning with `__`.
+
+* Allow user-defined functions whose names begin with `_` and otherwise look
+  like vendor-prefixed functions with special CSS syntax.
+
+### Command-Line Interface
+
+* Properly handle the `--silence-deprecation` flag.
+
+* Handle the `--fatal-deprecation` and `--future-deprecation` flags for
+  `--interactive` mode.
+
 ## 1.77.1
 
 * Fix a crash that could come up with importers in certain contexts.
diff --git a/npm/android-arm/package.json b/npm/android-arm/package.json
index 6e800ddb..f1aae5f3 100644
--- a/npm/android-arm/package.json
+++ b/npm/android-arm/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-android-arm",
-  "version": "1.77.1",
+  "version": "1.77.2",
   "description": "The android-arm binary for sass-embedded",
   "repository": "sass/embedded-host-node",
   "author": "Google Inc.",
diff --git a/npm/android-arm64/package.json b/npm/android-arm64/package.json
index 7738b238..fd542236 100644
--- a/npm/android-arm64/package.json
+++ b/npm/android-arm64/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-android-arm64",
-  "version": "1.77.1",
+  "version": "1.77.2",
   "description": "The android-arm64 binary for sass-embedded",
   "repository": "sass/embedded-host-node",
   "author": "Google Inc.",
diff --git a/npm/android-ia32/package.json b/npm/android-ia32/package.json
index ef8c2a9e..df1671df 100644
--- a/npm/android-ia32/package.json
+++ b/npm/android-ia32/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-android-ia32",
-  "version": "1.77.1",
+  "version": "1.77.2",
   "description": "The android-ia32 binary for sass-embedded",
   "repository": "sass/embedded-host-node",
   "author": "Google Inc.",
diff --git a/npm/android-x64/package.json b/npm/android-x64/package.json
index 2d107914..0cbebd1e 100644
--- a/npm/android-x64/package.json
+++ b/npm/android-x64/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-android-x64",
-  "version": "1.77.1",
+  "version": "1.77.2",
   "description": "The android-x64 binary for sass-embedded",
   "repository": "sass/embedded-host-node",
   "author": "Google Inc.",
diff --git a/npm/darwin-arm64/package.json b/npm/darwin-arm64/package.json
index 9af3e6dd..46614507 100644
--- a/npm/darwin-arm64/package.json
+++ b/npm/darwin-arm64/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-darwin-arm64",
-  "version": "1.77.1",
+  "version": "1.77.2",
   "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 748e4888..9c4e62ec 100644
--- a/npm/darwin-x64/package.json
+++ b/npm/darwin-x64/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-darwin-x64",
-  "version": "1.77.1",
+  "version": "1.77.2",
   "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 0be79f98..ae097dbb 100644
--- a/npm/linux-arm/package.json
+++ b/npm/linux-arm/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-linux-arm",
-  "version": "1.77.1",
+  "version": "1.77.2",
   "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 8a3890b9..2781e211 100644
--- a/npm/linux-arm64/package.json
+++ b/npm/linux-arm64/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-linux-arm64",
-  "version": "1.77.1",
+  "version": "1.77.2",
   "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 e2aee2cb..a307acff 100644
--- a/npm/linux-ia32/package.json
+++ b/npm/linux-ia32/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-linux-ia32",
-  "version": "1.77.1",
+  "version": "1.77.2",
   "description": "The linux-ia32 binary for sass-embedded",
   "repository": "sass/embedded-host-node",
   "author": "Google Inc.",
diff --git a/npm/linux-musl-arm/package.json b/npm/linux-musl-arm/package.json
index 364f86b1..f15d44a7 100644
--- a/npm/linux-musl-arm/package.json
+++ b/npm/linux-musl-arm/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-linux-musl-arm",
-  "version": "1.77.1",
+  "version": "1.77.2",
   "description": "The linux-musl-arm binary for sass-embedded",
   "repository": "sass/embedded-host-node",
   "author": "Google Inc.",
diff --git a/npm/linux-musl-arm64/package.json b/npm/linux-musl-arm64/package.json
index ff7450fb..d896a146 100644
--- a/npm/linux-musl-arm64/package.json
+++ b/npm/linux-musl-arm64/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-linux-musl-arm64",
-  "version": "1.77.1",
+  "version": "1.77.2",
   "description": "The linux-musl-arm64 binary for sass-embedded",
   "repository": "sass/embedded-host-node",
   "author": "Google Inc.",
diff --git a/npm/linux-musl-ia32/package.json b/npm/linux-musl-ia32/package.json
index 79a3a881..9d46b1a1 100644
--- a/npm/linux-musl-ia32/package.json
+++ b/npm/linux-musl-ia32/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-linux-musl-ia32",
-  "version": "1.77.1",
+  "version": "1.77.2",
   "description": "The linux-musl-ia32 binary for sass-embedded",
   "repository": "sass/embedded-host-node",
   "author": "Google Inc.",
diff --git a/npm/linux-musl-x64/package.json b/npm/linux-musl-x64/package.json
index f300636b..c63bab40 100644
--- a/npm/linux-musl-x64/package.json
+++ b/npm/linux-musl-x64/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-linux-musl-x64",
-  "version": "1.77.1",
+  "version": "1.77.2",
   "description": "The linux-musl-x64 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 9c8dca04..c83e41b1 100644
--- a/npm/linux-x64/package.json
+++ b/npm/linux-x64/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-linux-x64",
-  "version": "1.77.1",
+  "version": "1.77.2",
   "description": "The linux-x64 binary for sass-embedded",
   "repository": "sass/embedded-host-node",
   "author": "Google Inc.",
diff --git a/npm/win32-arm64/package.json b/npm/win32-arm64/package.json
index 768eaeca..6d7a2c6e 100644
--- a/npm/win32-arm64/package.json
+++ b/npm/win32-arm64/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-win32-arm64",
-  "version": "1.77.1",
+  "version": "1.77.2",
   "description": "The win32-arm64 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 ae302cb2..6f7d651e 100644
--- a/npm/win32-ia32/package.json
+++ b/npm/win32-ia32/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-win32-ia32",
-  "version": "1.77.1",
+  "version": "1.77.2",
   "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 aa7795a8..98b3db42 100644
--- a/npm/win32-x64/package.json
+++ b/npm/win32-x64/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-win32-x64",
-  "version": "1.77.1",
+  "version": "1.77.2",
   "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 54d1f47b..0508662d 100644
--- a/package.json
+++ b/package.json
@@ -1,8 +1,8 @@
 {
   "name": "sass-embedded",
-  "version": "1.77.1",
+  "version": "1.77.2",
   "protocol-version": "2.7.0",
-  "compiler-version": "1.77.1",
+  "compiler-version": "1.77.2",
   "description": "Node.js library that communicates with Embedded Dart Sass using the Embedded Sass protocol",
   "repository": "sass/embedded-host-node",
   "author": "Google Inc.",
@@ -35,23 +35,23 @@
     "test": "jest"
   },
   "optionalDependencies": {
-    "sass-embedded-android-arm": "1.77.1",
-    "sass-embedded-android-arm64": "1.77.1",
-    "sass-embedded-android-ia32": "1.77.1",
-    "sass-embedded-android-x64": "1.77.1",
-    "sass-embedded-darwin-arm64": "1.77.1",
-    "sass-embedded-darwin-x64": "1.77.1",
-    "sass-embedded-linux-arm": "1.77.1",
-    "sass-embedded-linux-arm64": "1.77.1",
-    "sass-embedded-linux-ia32": "1.77.1",
-    "sass-embedded-linux-x64": "1.77.1",
-    "sass-embedded-linux-musl-arm": "1.77.1",
-    "sass-embedded-linux-musl-arm64": "1.77.1",
-    "sass-embedded-linux-musl-ia32": "1.77.1",
-    "sass-embedded-linux-musl-x64": "1.77.1",
-    "sass-embedded-win32-arm64": "1.77.1",
-    "sass-embedded-win32-ia32": "1.77.1",
-    "sass-embedded-win32-x64": "1.77.1"
+    "sass-embedded-android-arm": "1.77.2",
+    "sass-embedded-android-arm64": "1.77.2",
+    "sass-embedded-android-ia32": "1.77.2",
+    "sass-embedded-android-x64": "1.77.2",
+    "sass-embedded-darwin-arm64": "1.77.2",
+    "sass-embedded-darwin-x64": "1.77.2",
+    "sass-embedded-linux-arm": "1.77.2",
+    "sass-embedded-linux-arm64": "1.77.2",
+    "sass-embedded-linux-ia32": "1.77.2",
+    "sass-embedded-linux-x64": "1.77.2",
+    "sass-embedded-linux-musl-arm": "1.77.2",
+    "sass-embedded-linux-musl-arm64": "1.77.2",
+    "sass-embedded-linux-musl-ia32": "1.77.2",
+    "sass-embedded-linux-musl-x64": "1.77.2",
+    "sass-embedded-win32-arm64": "1.77.2",
+    "sass-embedded-win32-ia32": "1.77.2",
+    "sass-embedded-win32-x64": "1.77.2"
   },
   "dependencies": {
     "@bufbuild/protobuf": "^1.0.0",