diff --git a/aedi/target/base.py b/aedi/target/base.py
index 564c0b2b..64a9e07c 100644
--- a/aedi/target/base.py
+++ b/aedi/target/base.py
@@ -98,6 +98,9 @@ class BuildTarget(Target):
 
         state.update_flags_environment_variable('LDFLAGS', f'-L{state.lib_path}')
 
+        # Avoid timestamp only differences in static libraries
+        env['ZERO_AR_DATE'] = '1'
+
     def install(self, state: BuildState, options: typing.Optional[CommandLineOptions] = None, tool: str = 'gmake'):
         if state.xcode:
             return