diff --git a/ChangeLog.d/add_interruptible_sign_hash b/ChangeLog.d/add_interruptible_sign_hash.txt
similarity index 100%
rename from ChangeLog.d/add_interruptible_sign_hash
rename to ChangeLog.d/add_interruptible_sign_hash.txt
diff --git a/ChangeLog.d/mpi-window-perf b/ChangeLog.d/mpi-window-perf.txt
similarity index 100%
rename from ChangeLog.d/mpi-window-perf
rename to ChangeLog.d/mpi-window-perf.txt
diff --git a/ChangeLog.d/x509-subaltname-ext b/ChangeLog.d/x509-subaltname-ext.txt
similarity index 100%
rename from ChangeLog.d/x509-subaltname-ext
rename to ChangeLog.d/x509-subaltname-ext.txt