diff --git a/CHANGELOG.md b/CHANGELOG.md
index b18f715b..7a0094f0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,9 @@
 #### Fixed
 - Validate scheme test action and test coverage target references before generating. [#775](https://github.com/yonaskolb/XcodeGen/pull/775) @liamnichols
 
+#### Internal
+- Updated to XcodeProj 7.8.0 [#777](https://github.com/yonaskolb/XcodeGen/pull/777) @yonaskolb
+
 ## 2.13.0
 
 #### Added
diff --git a/Package.resolved b/Package.resolved
index 0083f425..9d13079f 100644
--- a/Package.resolved
+++ b/Package.resolved
@@ -60,8 +60,8 @@
         "repositoryURL": "https://github.com/tuist/XcodeProj.git",
         "state": {
           "branch": null,
-          "revision": "bc3e31ea714a2ced4871b583141073405f279bab",
-          "version": "7.7.0"
+          "revision": "f32704e01d2752bdc17cde3963bee4256c1f4df4",
+          "version": "7.8.0"
         }
       },
       {
diff --git a/Package.swift b/Package.swift
index bdd96390..e46baab2 100644
--- a/Package.swift
+++ b/Package.swift
@@ -16,7 +16,7 @@ let package = Package(
         .package(url: "https://github.com/yonaskolb/JSONUtilities.git", from: "4.2.0"),
         .package(url: "https://github.com/kylef/Spectre.git", from: "0.9.0"),
         .package(url: "https://github.com/onevcat/Rainbow.git", from: "3.0.0"),
-        .package(url: "https://github.com/tuist/XcodeProj.git", .exact("7.7.0")),
+        .package(url: "https://github.com/tuist/XcodeProj.git", .exact("7.8.0")),
         .package(url: "https://github.com/jakeheis/SwiftCLI.git", from: "6.0.0"),
     ],
     targets: [