diff --git a/Makefile b/Makefile
index b38fe87..7ca7b83 100644
--- a/Makefile
+++ b/Makefile
@@ -19,7 +19,7 @@ CRITERION_VERSION=2.4.2
 SHUNIT_VERSION=2.1.8
 CURL_VERSION_TAG=8_11_0
 CURL_VERSION=$(shell echo $(CURL_VERSION_TAG) | sed -e 's/_/./g')
-OPENSSL_VERSION=3.3.2
+OPENSSL_VERSION=3.4.0
 ZLIB_VERSION=1.3.1
 
 DIST ?= unknown