diff --git a/CHANGELOG.md b/CHANGELOG.md
index f284580f..d300a7b6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,19 @@
 # Changelog
 
+## 0.84.2 (2025-03-31)
+
+* update Go #1068 (yseto)
+* replace to newer runner-images #1067 (yseto)
+* Bump golang.org/x/net from 0.33.0 to 0.36.0 in /wix #1066 (dependabot[bot])
+* Bump golang.org/x/text from 0.14.0 to 0.23.0 #1065 (dependabot[bot])
+* Bump github.com/mackerelio/mkr from 0.59.0 to 0.59.2 in /wix #1064 (dependabot[bot])
+* Bump golang.org/x/sys from 0.29.0 to 0.31.0 in /wix #1063 (dependabot[bot])
+* Bump github.com/mackerelio/mackerel-agent-plugins from 0.86.0 to 0.88.0 in /wix #1062 (dependabot[bot])
+* use ghcr.io/mackerelio/mackerel-rpm-builder #1060 (yseto)
+* Bump mackerelio/workflows from 1.3.0 to 1.4.0 #1059 (dependabot[bot])
+* Bump github.com/mackerelio/mackerel-client-go from 0.34.0 to 0.35.0 #1056 (dependabot[bot])
+
+
 ## 0.84.1 (2025-03-03)
 
 * Set the default path by "mkr plugin install" to the PATH environment. #1058 (fujiwara)
diff --git a/Makefile b/Makefile
index 8916c23d..1a4375b1 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 MACKEREL_AGENT_NAME ?= "mackerel-agent"
 MACKEREL_API_BASE ?= "https://api.mackerelio.com"
-VERSION := 0.84.1
+VERSION := 0.84.2
 CURRENT_REVISION := $(shell git rev-parse --short HEAD)
 ARGS := "-conf=mackerel-agent.conf"
 BUILD_OS_TARGETS := "linux darwin freebsd windows netbsd"
diff --git a/packaging/deb-systemd/debian/changelog b/packaging/deb-systemd/debian/changelog
index 4308188a..6521102c 100644
--- a/packaging/deb-systemd/debian/changelog
+++ b/packaging/deb-systemd/debian/changelog
@@ -1,3 +1,28 @@
+mackerel-agent (0.84.2-1.systemd) stable; urgency=low
+
+  * update Go (by yseto)
+    <https://github.com/mackerelio/mackerel-agent/pull/1068>
+  * replace to newer runner-images (by yseto)
+    <https://github.com/mackerelio/mackerel-agent/pull/1067>
+  * Bump golang.org/x/net from 0.33.0 to 0.36.0 in /wix (by dependabot[bot])
+    <https://github.com/mackerelio/mackerel-agent/pull/1066>
+  * Bump golang.org/x/text from 0.14.0 to 0.23.0 (by dependabot[bot])
+    <https://github.com/mackerelio/mackerel-agent/pull/1065>
+  * Bump github.com/mackerelio/mkr from 0.59.0 to 0.59.2 in /wix (by dependabot[bot])
+    <https://github.com/mackerelio/mackerel-agent/pull/1064>
+  * Bump golang.org/x/sys from 0.29.0 to 0.31.0 in /wix (by dependabot[bot])
+    <https://github.com/mackerelio/mackerel-agent/pull/1063>
+  * Bump github.com/mackerelio/mackerel-agent-plugins from 0.86.0 to 0.88.0 in /wix (by dependabot[bot])
+    <https://github.com/mackerelio/mackerel-agent/pull/1062>
+  * use ghcr.io/mackerelio/mackerel-rpm-builder (by yseto)
+    <https://github.com/mackerelio/mackerel-agent/pull/1060>
+  * Bump mackerelio/workflows from 1.3.0 to 1.4.0 (by dependabot[bot])
+    <https://github.com/mackerelio/mackerel-agent/pull/1059>
+  * Bump github.com/mackerelio/mackerel-client-go from 0.34.0 to 0.35.0 (by dependabot[bot])
+    <https://github.com/mackerelio/mackerel-agent/pull/1056>
+
+ -- mackerel <mackerel-developers@hatena.ne.jp>  Mon, 31 Mar 2025 06:33:59 +0000
+
 mackerel-agent (0.84.1-1.systemd) stable; urgency=low
 
   * Set the default path by "mkr plugin install" to the PATH environment. (by fujiwara)
diff --git a/packaging/rpm/mackerel-agent-systemd.spec b/packaging/rpm/mackerel-agent-systemd.spec
index 02834bd4..029a8bac 100644
--- a/packaging/rpm/mackerel-agent-systemd.spec
+++ b/packaging/rpm/mackerel-agent-systemd.spec
@@ -54,6 +54,18 @@ systemctl enable %{name}.service
 %config(noreplace) %{_sysconfdir}/%{name}/%{name}.conf
 
 %changelog
+* Mon Mar 31 2025 <mackerel-developers@hatena.ne.jp> - 0.84.2
+- update Go (by yseto)
+- replace to newer runner-images (by yseto)
+- Bump golang.org/x/net from 0.33.0 to 0.36.0 in /wix (by dependabot[bot])
+- Bump golang.org/x/text from 0.14.0 to 0.23.0 (by dependabot[bot])
+- Bump github.com/mackerelio/mkr from 0.59.0 to 0.59.2 in /wix (by dependabot[bot])
+- Bump golang.org/x/sys from 0.29.0 to 0.31.0 in /wix (by dependabot[bot])
+- Bump github.com/mackerelio/mackerel-agent-plugins from 0.86.0 to 0.88.0 in /wix (by dependabot[bot])
+- use ghcr.io/mackerelio/mackerel-rpm-builder (by yseto)
+- Bump mackerelio/workflows from 1.3.0 to 1.4.0 (by dependabot[bot])
+- Bump github.com/mackerelio/mackerel-client-go from 0.34.0 to 0.35.0 (by dependabot[bot])
+
 * Mon Mar 3 2025 <mackerel-developers@hatena.ne.jp> - 0.84.1
 - Set the default path by "mkr plugin install" to the PATH environment. (by fujiwara)
 - Bump mackerelio/workflows from 1.2.0 to 1.3.0 (by dependabot[bot])
diff --git a/version.go b/version.go
index ca7e973d..4c8fdc48 100644
--- a/version.go
+++ b/version.go
@@ -1,5 +1,5 @@
 package main
 
-const version = "0.84.1"
+const version = "0.84.2"
 
 var gitcommit string