diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index c88d569..3192a8e 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -25,6 +25,7 @@ jobs:
           - "3.1"
           - "3.2"
           - "3.3"
+          - "3.4"
           - "head"
           - "jruby"
           - "truffleruby"
diff --git a/spec/nio/selectables/ssl_socket_spec.rb b/spec/nio/selectables/ssl_socket_spec.rb
index a8c394d..b56a620 100644
--- a/spec/nio/selectables/ssl_socket_spec.rb
+++ b/spec/nio/selectables/ssl_socket_spec.rb
@@ -39,7 +39,8 @@
       ctx.cert = ssl_cert
       ctx.key = ssl_key
       unless @tls.empty?
-        if ctx.respond_to? :set_minmax_proto_version, true
+        if ctx.respond_to? :max_version=
+          ctx.min_version = @tls[0]
           ctx.max_version = @tls[0]
         else
           ctx.ssl_version = @tls[1]