diff --git a/CHANGELOG.md b/CHANGELOG.md
index e07477e..a93e980 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,11 @@
+# 0.3.0 (2026/03/17)
+
+Fixes:
+
+* Support ruby-prof 1.x API
+* Remove unavailable measure mode (CPU_TIME, GC_TIME, GC_RUNS)
+* gem: remove unnecessary version dependency
+
 # 0.2.0 (2018/11/21)
 
 Enhancements:
diff --git a/fluent-rubyprof.gemspec b/fluent-rubyprof.gemspec
index 33bb6ec..5799536 100644
--- a/fluent-rubyprof.gemspec
+++ b/fluent-rubyprof.gemspec
@@ -4,7 +4,7 @@ $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 
 Gem::Specification.new do |spec|
   spec.name          = "fluent-rubyprof"
-  spec.version       = "0.2.0"
+  spec.version       = "0.3.0"
   spec.authors       = ["Naotoshi Seo"]
   spec.email         = ["sonots@gmail.com"]
   spec.summary       = %q{Tools for start/stop ruby-prof dynamically from outside of fluentd}