diff --git a/CHANGELOG.md b/CHANGELOG.md
index a042d14a55..42d7af4da4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,9 +2,9 @@
 
 [Full changelog](https://github.com/mozilla/glean/compare/v60.5.0...main)
 
-
-General
+* General
   * Updated to UniFFI 0.28.0 ([#2920](https://github.com/mozilla/glean/pull/2920))
+  * Update to `glean_parser` v15.0.0 ([release notes](https://github.com/mozilla/glean_parser/releases/tag/v15.0.0))
 
 # v60.5.0 (2024-08-06)
 
diff --git a/Cargo.lock b/Cargo.lock
index f9c729181d..b673220ee5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -336,7 +336,7 @@ dependencies = [
 
 [[package]]
 name = "glean-build"
-version = "14.5.1"
+version = "15.0.0"
 dependencies = [
  "tempfile",
  "xshell-venv",
diff --git a/Makefile b/Makefile
index 5d9f0c6f8a..1c5d08645f 100644
--- a/Makefile
+++ b/Makefile
@@ -151,7 +151,7 @@ docs-python: build-python ## Build the Python documentation
 .PHONY: docs docs-rust docs-swift
 
 docs-metrics: setup-python ## Build the internal metrics documentation
-	$(GLEAN_PYENV)/bin/pip install glean_parser~=14.5
+	$(GLEAN_PYENV)/bin/pip install glean_parser~=15.0
 	$(GLEAN_PYENV)/bin/glean_parser translate --allow-reserved \
 		 -f markdown \
 		 -o ./docs/user/user/collected-metrics \
diff --git a/glean-core/Cargo.toml b/glean-core/Cargo.toml
index 8e293958e1..9e21801dde 100644
--- a/glean-core/Cargo.toml
+++ b/glean-core/Cargo.toml
@@ -21,7 +21,7 @@ include = [
 rust-version = "1.76"
 
 [package.metadata.glean]
-glean-parser = "14.5.1"
+glean-parser = "15.0.0"
 
 [badges]
 circle-ci = { repository = "mozilla/glean", branch = "main" }
diff --git a/glean-core/build/Cargo.toml b/glean-core/build/Cargo.toml
index f06d63b36b..e03f80b9d8 100644
--- a/glean-core/build/Cargo.toml
+++ b/glean-core/build/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "glean-build"
-version = "14.5.1"
+version = "15.0.0"
 edition = "2021"
 description = "Glean SDK Rust build helper"
 repository = "https://github.com/mozilla/glean"
diff --git a/glean-core/build/src/lib.rs b/glean-core/build/src/lib.rs
index 35f2e978a2..f4a60ea974 100644
--- a/glean-core/build/src/lib.rs
+++ b/glean-core/build/src/lib.rs
@@ -39,7 +39,7 @@ use std::env;
 
 use xshell_venv::{Result, Shell, VirtualEnv};
 
-const GLEAN_PARSER_VERSION: &str = "14.5.1";
+const GLEAN_PARSER_VERSION: &str = "15.0.0";
 
 /// A Glean Rust bindings generator.
 pub struct Builder {
diff --git a/glean-core/ios/sdk_generator.sh b/glean-core/ios/sdk_generator.sh
index 05a9bd60ba..819a787704 100755
--- a/glean-core/ios/sdk_generator.sh
+++ b/glean-core/ios/sdk_generator.sh
@@ -25,7 +25,7 @@
 
 set -e
 
-GLEAN_PARSER_VERSION=14.5
+GLEAN_PARSER_VERSION=15.0
 
 # CMDNAME is used in the usage text below.
 # shellcheck disable=SC2034
diff --git a/glean-core/python/glean/__init__.py b/glean-core/python/glean/__init__.py
index 5d60206e12..8e063b576a 100644
--- a/glean-core/python/glean/__init__.py
+++ b/glean-core/python/glean/__init__.py
@@ -30,7 +30,7 @@
 __email__ = "glean-team@mozilla.com"
 
 
-GLEAN_PARSER_VERSION = "14.5.1"
+GLEAN_PARSER_VERSION = "15.0.0"
 parser_version = VersionInfo.parse(GLEAN_PARSER_VERSION)
 parser_version_next_major = parser_version.bump_major()
 
diff --git a/gradle-plugin/src/main/groovy/mozilla/telemetry/glean-gradle-plugin/GleanGradlePlugin.groovy b/gradle-plugin/src/main/groovy/mozilla/telemetry/glean-gradle-plugin/GleanGradlePlugin.groovy
index 34f6013f71..6ea79fea03 100644
--- a/gradle-plugin/src/main/groovy/mozilla/telemetry/glean-gradle-plugin/GleanGradlePlugin.groovy
+++ b/gradle-plugin/src/main/groovy/mozilla/telemetry/glean-gradle-plugin/GleanGradlePlugin.groovy
@@ -50,7 +50,7 @@ abstract class GleanMetricsYamlTransform implements TransformAction<TransformPar
 @SuppressWarnings("GrPackage")
 class GleanPlugin implements Plugin<Project> {
     // The version of glean_parser to install from PyPI.
-    private String GLEAN_PARSER_VERSION = "14.5"
+    private String GLEAN_PARSER_VERSION = "15.0"
     // The version of Miniconda is explicitly specified.
     // Miniconda3-4.5.12 is known to not work on Windows.
     private String MINICONDA_VERSION = "24.3.0-0"
diff --git a/pyproject.toml b/pyproject.toml
index bcb807d75d..96d8abf143 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,7 @@ maintainers = [
 
 dependencies = [
   "semver>=2.13.0",
-  "glean_parser~=14.5",
+  "glean_parser~=15.0",
 ]
 
 [project.urls]