diff --git a/meta/recipes-devtools/tcltk8/tcl8/0001-generic-tcl.h-use-Tcl_WideInt-for-seconds-in-Tcl_Tim.patch b/meta/recipes-devtools/tcltk8/tcl8/0001-generic-tcl.h-use-Tcl_WideInt-for-seconds-in-Tcl_Tim.patch
index 6ba7ff4340..ed87bfa1f9 100644
--- a/meta/recipes-devtools/tcltk8/tcl8/0001-generic-tcl.h-use-Tcl_WideInt-for-seconds-in-Tcl_Tim.patch
+++ b/meta/recipes-devtools/tcltk8/tcl8/0001-generic-tcl.h-use-Tcl_WideInt-for-seconds-in-Tcl_Tim.patch
@@ -1,4 +1,4 @@
-From 7d404d1827ffb69a2aa7b60c10b435c6f47f7bfb Mon Sep 17 00:00:00 2001
+From 5233e24f196cf0cb4916ac225b39ed6fb5fc0cfe Mon Sep 17 00:00:00 2001
 From: Alexander Kanavin <alex@linutronix.de>
 Date: Fri, 18 Aug 2023 12:25:11 +0200
 Subject: [PATCH] generic/tcl.h: use Tcl_WideInt for seconds in Tcl_Time
@@ -19,7 +19,7 @@ Signed-off-by: Alexander Kanavin <alex@linutronix.de>
  1 file changed, 1 insertion(+), 1 deletion(-)
 
 diff --git a/generic/tcl.h b/generic/tcl.h
-index d8fd70a..ffff4b1 100644
+index 83f07e6..16e99f8 100644
 --- a/generic/tcl.h
 +++ b/generic/tcl.h
 @@ -1425,7 +1425,7 @@ typedef enum {
diff --git a/meta/recipes-devtools/tcltk8/tcl8/alter-includedir.patch b/meta/recipes-devtools/tcltk8/tcl8/alter-includedir.patch
index ad91b9ffb3..182b49e2e8 100644
--- a/meta/recipes-devtools/tcltk8/tcl8/alter-includedir.patch
+++ b/meta/recipes-devtools/tcltk8/tcl8/alter-includedir.patch
@@ -1,4 +1,4 @@
-From bfca2e4ae32ab546f796d9c7ff7cbf542d5b2bfe Mon Sep 17 00:00:00 2001
+From 498e4f58dd64d869438e5f27d2b0a2b20d269909 Mon Sep 17 00:00:00 2001
 From: Mingli Yu <mingli.yu@windriver.com>
 Date: Tue, 22 Nov 2022 18:48:27 +0800
 Subject: [PATCH] tcl: update the header location
@@ -26,7 +26,7 @@ Signed-off-by: Mingli Yu <mingli.yu@windriver.com>
  3 files changed, 4 insertions(+), 4 deletions(-)
 
 diff --git a/unix/Makefile.in b/unix/Makefile.in
-index 45e7b76..5a46e6a 100644
+index 54bb664..98d6192 100644
 --- a/unix/Makefile.in
 +++ b/unix/Makefile.in
 @@ -57,7 +57,7 @@ SCRIPT_INSTALL_DIR	= $(INSTALL_ROOT)$(TCL_LIBRARY)
@@ -39,7 +39,7 @@ index 45e7b76..5a46e6a 100644
  # Path to the private tcl header dir:
  PRIVATE_INCLUDE_DIR	= @PRIVATE_INCLUDE_DIR@
 diff --git a/unix/configure.in b/unix/configure.in
-index 50b3e03..8a33d0c 100644
+index 00f16ae..640060b 100644
 --- a/unix/configure.in
 +++ b/unix/configure.in
 @@ -775,7 +775,7 @@ eval "TCL_LIB_FILE=libtcl${LIB_SUFFIX}"
diff --git a/meta/recipes-devtools/tcltk8/tcl8/fix_non_native_build_issue.patch b/meta/recipes-devtools/tcltk8/tcl8/fix_non_native_build_issue.patch
index 07a1f4d040..80b486d51a 100644
--- a/meta/recipes-devtools/tcltk8/tcl8/fix_non_native_build_issue.patch
+++ b/meta/recipes-devtools/tcltk8/tcl8/fix_non_native_build_issue.patch
@@ -1,4 +1,4 @@
-From ad7847a15163f12c24d8ecb50dffa289876dc830 Mon Sep 17 00:00:00 2001
+From b3d1685a90216974771005bc6a1f5747df46d327 Mon Sep 17 00:00:00 2001
 From: Nitin A Kamble <nitin.a.kamble@intel.com>
 Date: Fri, 13 Aug 2010 12:24:00 -0700
 Subject: [PATCH] tcl: fix a build issue
@@ -10,7 +10,7 @@ Signed-off-by: Alexander Kanavin <alex@linutronix.de>
  1 file changed, 10 insertions(+), 10 deletions(-)
 
 diff --git a/unix/Makefile.in b/unix/Makefile.in
-index ab2e7b5..45e7b76 100644
+index 3d52fe7..54bb664 100644
 --- a/unix/Makefile.in
 +++ b/unix/Makefile.in
 @@ -723,7 +723,7 @@ tcltest-real:
diff --git a/meta/recipes-devtools/tcltk8/tcl8/tcl-add-soname.patch b/meta/recipes-devtools/tcltk8/tcl8/tcl-add-soname.patch
index 0f8bd062ac..174477f4c6 100644
--- a/meta/recipes-devtools/tcltk8/tcl8/tcl-add-soname.patch
+++ b/meta/recipes-devtools/tcltk8/tcl8/tcl-add-soname.patch
@@ -1,4 +1,4 @@
-From 2af07e2d0f0cb9f42ff982ce257e2067dcf1ec77 Mon Sep 17 00:00:00 2001
+From 256f8a73cef0bdb57bf0ad1676f67a95d52d9dbc Mon Sep 17 00:00:00 2001
 From: Richard Purdie <rpurdie@linux.intel.com>
 Date: Wed, 9 Dec 2009 23:59:44 +0000
 Subject: [PATCH] tcl: Add tcltk from OE.dev but with legacy staging function
@@ -11,7 +11,7 @@ Signed-off-by: Alexander Kanavin <alex@linutronix.de>
  2 files changed, 7 insertions(+), 1 deletion(-)
 
 diff --git a/unix/Makefile.in b/unix/Makefile.in
-index 3efdfec..ab2e7b5 100644
+index 23f86c8..3d52fe7 100644
 --- a/unix/Makefile.in
 +++ b/unix/Makefile.in
 @@ -812,7 +812,10 @@ install-binaries: binaries
@@ -27,7 +27,7 @@ index 3efdfec..ab2e7b5 100644
  	@$(INSTALL_PROGRAM) ${TCL_EXE} "$(BIN_INSTALL_DIR)/tclsh$(VERSION)${EXE_SUFFIX}"
  	@echo "Installing tclConfig.sh to $(CONFIG_INSTALL_DIR)/"
 diff --git a/unix/tcl.m4 b/unix/tcl.m4
-index 7f5464e..cd8d929 100644
+index cd89170..122aff0 100644
 --- a/unix/tcl.m4
 +++ b/unix/tcl.m4
 @@ -1378,6 +1378,9 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [
diff --git a/meta/recipes-devtools/tcltk8/tcl8/tcl-remove-hardcoded-install-path.patch b/meta/recipes-devtools/tcltk8/tcl8/tcl-remove-hardcoded-install-path.patch
index 12e1937aa1..04408a46c8 100644
--- a/meta/recipes-devtools/tcltk8/tcl8/tcl-remove-hardcoded-install-path.patch
+++ b/meta/recipes-devtools/tcltk8/tcl8/tcl-remove-hardcoded-install-path.patch
@@ -1,4 +1,4 @@
-From 0b479a0dc845f9926cb40c13d86e55391a89fe98 Mon Sep 17 00:00:00 2001
+From e3ed00a590819ce815650080d05191e3b23618b0 Mon Sep 17 00:00:00 2001
 From: "Song.Li" <Song.Li@windriver.com>
 Date: Wed, 1 Aug 2012 19:05:51 +0800
 Subject: [PATCH] tcl:install tcl to lib64 instead of lib on 64bit target
@@ -17,7 +17,7 @@ Signed-off-by: Yi Zhao <yi.zhao@windriver.com>
  1 file changed, 1 insertion(+), 1 deletion(-)
 
 diff --git a/unix/configure.in b/unix/configure.in
-index ed07ca5..50b3e03 100644
+index 4078970..00f16ae 100644
 --- a/unix/configure.in
 +++ b/unix/configure.in
 @@ -774,7 +774,7 @@ eval "TCL_LIB_FILE=libtcl${LIB_SUFFIX}"
diff --git a/meta/recipes-devtools/tcltk8/tcl8_8.6.17.bb b/meta/recipes-devtools/tcltk8/tcl8_8.6.18.bb
similarity index 97%
rename from meta/recipes-devtools/tcltk8/tcl8_8.6.17.bb
rename to meta/recipes-devtools/tcltk8/tcl8_8.6.18.bb
index 1b08fda5fa..545c1cdc60 100644
--- a/meta/recipes-devtools/tcltk8/tcl8_8.6.17.bb
+++ b/meta/recipes-devtools/tcltk8/tcl8_8.6.18.bb
@@ -24,7 +24,7 @@ SRC_URI = "${BASE_SRC_URI} \
            file://run-ptest \
            file://0001-generic-tcl.h-use-Tcl_WideInt-for-seconds-in-Tcl_Tim.patch \
            "
-SRC_URI[sha256sum] = "a1d8cbe44b38beaa29fc2130c4e7b79b8bf02e2bcc028ffefd7a25a2122202a0"
+SRC_URI[sha256sum] = "1880b6337de72431174511419550bb4cf1327b7c8200a5466d1c4eb3ecac5132"
 
 SRC_URI:class-native = "${BASE_SRC_URI}"
 
