diff --git a/CHANGELOG.md b/CHANGELOG.md
index e0f297257..2000bde58 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -57,6 +57,7 @@
 * 3.3.0 [\#5421](https://github.com/rvm/rvm/pull/5421)
 * 3.2.3 [\#5439](https://github.com/rvm/rvm/pull/5439)
 * 3.0.7, 3.1.5, 3.2.4, 3.3.1 [\#5455](https://github.com/rvm/rvm/pull/5455)
+* 3.4.0-preview1 [\#5466](https://github.com/rvm/rvm/pull/5466)
 
 ##### TruffleRuby
 
diff --git a/config/known b/config/known
index 51ba6652c..a0656e94c 100644
--- a/config/known
+++ b/config/known
@@ -16,6 +16,7 @@
 [ruby-]3.1[.5]
 [ruby-]3.2[.4]
 [ruby-]3[.3.1]
+[ruby-]3.4[.0-preview1]
 ruby-head
 
 # for forks use: rvm install ruby-head-<name> --url https://github.com/github/ruby.git --branch 2.2
diff --git a/config/known_strings b/config/known_strings
index 894be80ec..5c0dd42e6 100644
--- a/config/known_strings
+++ b/config/known_strings
@@ -510,6 +510,7 @@ ruby-3.3.0-preview2
 ruby-3.3.0-preview3
 ruby-3.3.0
 ruby-3.3.1
+ruby-3.4.0-preview1
 truffleruby-1.0.0-rc2
 truffleruby-1.0.0-rc3
 truffleruby-1.0.0-rc5
diff --git a/config/md5 b/config/md5
index 56f49f10f..872a9d459 100644
--- a/config/md5
+++ b/config/md5
@@ -1783,6 +1783,7 @@ ruby-3.3.0-preview2.tar.gz=4f82f4c9e512ec0a53baa1be8d35ebf7
 ruby-3.3.0-preview3.tar.gz=a32ede198a9da50d4afc4421a4a993ad
 ruby-3.3.0.tar.gz=f57422a0f995cd5a93c726f6c42c310a
 ruby-3.3.1.tar.gz=368e331a35145ace4948390ed76cf1df
+ruby-3.4.0-preview1.tar.gz=93b9b1040a2dd7be7514a7870aa7da03
 ruby-enterprise-1.8.6-20080507.tar.gz=17e3c52e73e42809f57ad0000a6cb4ab
 ruby-enterprise-1.8.6-20080621.tar.gz=626fc3811eee2dc92ac27ea63d37a8b2
 ruby-enterprise-1.8.6-20080623.tar.gz=0bf8a3a93c6b37bb1260cc09b05e81fd
diff --git a/config/sha512 b/config/sha512
index 6dfa3d3c4..6d453336c 100644
--- a/config/sha512
+++ b/config/sha512
@@ -1594,6 +1594,7 @@ ruby-3.3.0-preview2.tar.gz=1c5a13e519e8487fd40d932b96d14fa729521925c288e7841ab5e
 ruby-3.3.0-preview3.tar.gz=94db07a6958c09809b2e5b597fa55a121074e8bacb3bf588c83cf0d35b07a8b070172035a49d1abf0d8ee364a9ace824f34e677f7327ffe1acdbab0938ac49c4
 ruby-3.3.0.tar.gz=26074009b501fc793d71a74e419f34a6033c9353433919ca74ba2d24a3de432dbb11fd92c2bc285f0e4d951a6d6c74bf5b69a2ab36200c8c26e871746d6e0fc6
 ruby-3.3.1.tar.gz=0c8ea922a79152ac7adbfb2541320565bce6a631692fd39d499a06f53ad6339c16fad8374d171351ed63f7bda3312b26d4f8c058c5b6df3d7548fde372c718f1
+ruby-3.4.0-preview1.tar.gz=29c0e32179f7b823b6708f5328e495cd333fe8dd88f7df7d9051deab47add67b14d899bba565bba1a77e1b04c9693d9708541445c112925777bb6891cb7b2b62
 rubygems-2.6.11.tgz=3b0dd38c0aaf313c59e299dcf54f7bfb6e6d84b8b739573ddaf599e584da45ed7b1465f6521131b32f237e31a4796d9ef455b8be685064b3fd77a0355dfff13e
 rubygems-2.6.12.tgz=ebb672488b50f5fc988eab66ab14ce8e887dcc635f71239a85e32fbf1e919ca70196eb4d3f2fee3486cace7064bab0b8b08339c754b723198e1b0b0a0984ab54
 rubygems-2.6.13.tgz=c952b6061a9a0778db304c3aa5bea693e71ae2564abfb19f8b123eef66eb1e3877fc7c36f4f1527da97bb320870cbfd4574ac57ad88e850a44fadd67ebdac152