diff --git a/erlang.spec b/erlang.spec
index da2b91d..008bff2 100644
--- a/erlang.spec
+++ b/erlang.spec
@@ -64,7 +64,7 @@
 
 
 Name:		erlang
-Version:	23.3.3
+Version:	23.3.4
 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
+* Mon May 10 2021 Peter Lemenkov <lemenkov@gmail.com> - 23.3.4-1
+- Ver. 23.3.4
+
 * Sun May  9 2021 Peter Lemenkov <lemenkov@gmail.com> - 23.3.3-1
 - Ver. 23.3.3
 
diff --git a/otp-0006-Do-not-install-erlang-sources.patch b/otp-0006-Do-not-install-erlang-sources.patch
index 1bc3055..691443c 100644
--- a/otp-0006-Do-not-install-erlang-sources.patch
+++ b/otp-0006-Do-not-install-erlang-sources.patch
@@ -117,10 +117,10 @@ index 1f5b308c7d..1f728c56d6 100644
  	$(INSTALL_DIR) "$(RELSYSDIR)/ebin"
  	$(INSTALL_DATA) $(INSTALL_FILES) "$(RELSYSDIR)/ebin"
 diff --git a/lib/diameter/src/Makefile b/lib/diameter/src/Makefile
-index 36e8fefd4c..d3a10890ce 100644
+index 348cc350e1..9d87858def 100644
 --- a/lib/diameter/src/Makefile
 +++ b/lib/diameter/src/Makefile
-@@ -263,11 +263,8 @@ release_spec: opt
+@@ -260,11 +260,8 @@ release_spec: opt
  	$(MAKE) $(EXAMPLE_DIRS:%/=release_examples_%)
  
  $(TARGET_DIRS:%/=release_src_%): release_src_%:
diff --git a/sources b/sources
index 7c3c2c6..79197d5 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (otp-OTP-23.3.3.tar.gz) = 191243df10e0ee03db1a16c94253fefd4b008915464b2966f6fbe93faae3053b2a8950297054a6a8554c180fd3fcc18eda16e2f87e0c1a7a73570e753ec557d4
+SHA512 (otp-OTP-23.3.4.tar.gz) = c8c5a9676163058276c703a0db0373508fad0ed9dff0aa9806ce59115ca766ff1d343c5a3917a920b249655fe188b974482ff378e9173c9fe00ea3907e618da5