diff --git a/package/rtai/rtai.hash b/package/rtai/rtai.hash
index f0afafbd7c..f2eb7f33ad 100644
--- a/package/rtai/rtai.hash
+++ b/package/rtai/rtai.hash
@@ -1,2 +1,2 @@
 # Locally computed
-sha256 13669da744a0ba411bdb8e47fa47b6e19171646ae42c8dbb2735d12e555fb1a3 rtai-4.0.1.tar.bz2
+sha256  57acd3ad46cc8f1e01dc21089a24587c59e7328cbac06abb62bb0152de0b9df7  rtai-5.3.tar.bz2
diff --git a/package/rtai/rtai.mk b/package/rtai/rtai.mk
index 90f2cc4c8d..6b309ebf85 100644
--- a/package/rtai/rtai.mk
+++ b/package/rtai/rtai.mk
@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-RTAI_VERSION = 4.0.1
+RTAI_VERSION = 5.3
 RTAI_SOURCE = rtai-$(RTAI_VERSION).tar.bz2
 RTAI_SITE = https://www.rtai.org/userfiles/downloads/RTAI
 RTAI_INSTALL_STAGING = YES