diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0315868..e52c94a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,11 @@
 # CHANGELOG
+v1.3.8 (May 2020)
+- Improvement: fall back to Firth regression when encountering a matrix inversion error (thanks to Julian Libiseller-Egger)
+- Bugfix: check for zero passing variants in read_all (enet, thanks to Julian Libiseller-Egger)
+- Bugfix: use len(all_strains) instead of len(sample_order) to determine shape of sparse matrix in load_all_vars (enet, thanks to Julian Libiseller-Egger) 
+- Bugfix: properly report all filtered variants
+- Bugfix: --lmm requires either --similarity or a LMM cache
+
 v1.3.7 (May 2020)
 - Enhancement: check that provided phenotypes are of numeric type
 - Bugfix: properly report all filtered variants
diff --git a/docs/conf.py b/docs/conf.py
index 8044010..53f6ad4 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -76,7 +76,7 @@
 # built documents.
 #
 # The short X.Y version.
-version = '1.3.7'
+version = '1.3.8'
 # The full version, including alpha/beta/rc tags.
 release = '1.3.7'