diff --git a/erlang.spec b/erlang.spec
index 706552e..1b08d44 100644
--- a/erlang.spec
+++ b/erlang.spec
@@ -64,7 +64,7 @@
 
 
 Name:		erlang
-Version:	23.3
+Version:	23.3.1
 Release:	1%{?dist}
 Summary:	General-purpose programming language and runtime environment
 
@@ -1912,6 +1912,9 @@ useradd -r -g epmd -d /dev/null -s /sbin/nologin \
 
 
 %changelog
+* Tue Mar 30 2021 Peter Lemenkov <lemenkov@gmail.com> - 23.3.1-1
+- Ver. 23.3.1
+
 * Wed Mar 24 2021 Peter Lemenkov <lemenkov@gmail.com> - 23.3-1
 - Ver. 23.3
 
diff --git a/sources b/sources
index 752e602..dd69d34 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (otp-OTP-23.3.tar.gz) = 1ee12b7f045bd7fd5e05fd7c418ff176ebb6fe183664ea6a7e615bbb547b99287c9c44c927177a12bb079b84c4ed9e3a53d15a5e42473420b79b0816774fbdd4
+SHA512 (otp-OTP-23.3.1.tar.gz) = 03d4be9b25a14359e9f8db52d8e7d8edff1e8c53686a189caae15373c7e15d03f05e1138c549b8b41b8e6b7c55ab154cea47356f6fe79f7b72d5fb4ce759c4b0