diff --git a/CHANGELOG.md b/CHANGELOG.md
index dcf2f49..a233f68 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 1.2.5
+
+- Fix sdist
+
 ## 1.2.4
 
 - Fixes for BSDs
diff --git a/MANIFEST.in b/MANIFEST.in
index ede24d7..f5adc45 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1 +1,2 @@
 recursive-include webrtc-audio-processing *
+include python.cpp
diff --git a/setup.py b/setup.py
index d15dcad..c3fcddf 100644
--- a/setup.py
+++ b/setup.py
@@ -11,7 +11,7 @@
 _SOURCE_DIR = _DIR / "webrtc-audio-processing"
 _WEBRTC_DIR = _SOURCE_DIR / "webrtc-audio-processing-1"
 
-__version__ = "1.2.4"
+__version__ = "1.2.5"
 
 # webrtc/
 #   rtc_base/