diff --git a/aedi/target/library_tier1.py b/aedi/target/library_tier1.py
index aa8f49da..65b075eb 100644
--- a/aedi/target/library_tier1.py
+++ b/aedi/target/library_tier1.py
@@ -76,8 +76,8 @@ class FlacTarget(CMakeStaticDependencyTarget):
 
     def prepare_source(self, state: BuildState):
         state.download_source(
-            'https://ftp.osuosl.org/pub/xiph/releases/flac/flac-1.3.4.tar.xz',
-            '8ff0607e75a322dd7cd6ec48f4f225471404ae2730d0ea945127b1355155e737')
+            'https://github.com/xiph/flac/releases/download/1.4.0/flac-1.4.0.tar.xz',
+            'af41c0733c93c237c3e52f64dd87e3b0d9af38259f1c7d11e8cbf583c48c2506')
 
     def configure(self, state: BuildState):
         opts = state.options