diff --git a/CHANGELOG.md b/CHANGELOG.md
index 373e3695..2edddcaa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 ## (unreleased)
 
+## 3.4.1
+
+* Use libiconv v1.18, OpenSSL v3.6.1 and freetds v1.5.14 for Windows and Linux builds.
+
 ## 3.4.0
 
 * Add Ruby 4.0 to the cross compile list
diff --git a/VERSION b/VERSION
index 18091983..47b322c9 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-3.4.0
+3.4.1
diff --git a/ext/tiny_tds/extconsts.rb b/ext/tiny_tds/extconsts.rb
index 4721c22c..94e9f9b6 100644
--- a/ext/tiny_tds/extconsts.rb
+++ b/ext/tiny_tds/extconsts.rb
@@ -1,8 +1,8 @@
-ICONV_VERSION = ENV["TINYTDS_ICONV_VERSION"] || "1.18"
+ICONV_VERSION = ENV["TINYTDS_ICONV_VERSION"] || "1.19"
 ICONV_SOURCE_URI = "http://ftp.gnu.org/pub/gnu/libiconv/libiconv-#{ICONV_VERSION}.tar.gz"
 
-OPENSSL_VERSION = ENV["TINYTDS_OPENSSL_VERSION"] || "3.6.0"
+OPENSSL_VERSION = ENV["TINYTDS_OPENSSL_VERSION"] || "3.6.1"
 OPENSSL_SOURCE_URI = "https://www.openssl.org/source/openssl-#{OPENSSL_VERSION}.tar.gz"
 
-FREETDS_VERSION = ENV["TINYTDS_FREETDS_VERSION"] || "1.5.10"
+FREETDS_VERSION = ENV["TINYTDS_FREETDS_VERSION"] || "1.5.14"
 FREETDS_SOURCE_URI = "http://www.freetds.org/files/stable/freetds-#{FREETDS_VERSION}.tar.bz2"