diff --git a/README.md b/README.md
index 4530aa162..b9915bb89 100644
--- a/README.md
+++ b/README.md
@@ -111,6 +111,10 @@ The detailed description can be found
 
 ## Changes
 
+### 3.0.38
+- Improve calculation of DoF for pairwise comparison
+- Use effective counts as column bases for DoF
+
 ### 3.0.37
 - Add squared counts as a cube measure
 - Enable calculating pairwise stats with effective denominator
diff --git a/src/cr/cube/__init__.py b/src/cr/cube/__init__.py
index dacd78180..ffe1a5838 100644
--- a/src/cr/cube/__init__.py
+++ b/src/cr/cube/__init__.py
@@ -2,4 +2,4 @@
 
 """Initialization module for crunch-cube package."""
 
-__version__ = "3.0.37"
+__version__ = "3.0.38"