diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5f5bef5..e21a7df 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,11 @@
+### Frontier.rb v0.0.2
+
+- Gem: bump version to 0.0.2 ([#4](https://github.com/q9f/frontier.rb/pull/4))
+
 ### Frontier.rb v0.0.1
 
-- Docs: add changelog ([#2](https://github.com/q9f/frontier.rb/pulls/2))
-- Ci: enable github actions ([#1](https://github.com/q9f/frontier.rb/pulls/1))
+- Docs: add changelog ([#2](https://github.com/q9f/frontier.rb/pull/2))
+- Ci: enable github actions ([#1](https://github.com/q9f/frontier.rb/pull/1))
 - Examples: add distance script
 - Examples: add progress tracking
 - Docs: clarify limitations
diff --git a/examples/pathfinder.rb b/examples/pathfinder.rb
index dd27ab8..85242ef 100644
--- a/examples/pathfinder.rb
+++ b/examples/pathfinder.rb
@@ -41,7 +41,7 @@
     c_id += 1
     prog += 1
     perc = prog.to_f / ALL_STARS.length.to_f * 100.0
-    print "Mapping all star systems ... #{'%3.2f' % perc}%\r"
+    print "Mapping all star systems ... #{"%3.2f" % perc}%\r"
   end
   print "Mapping all star systems ...    done.\n"
 
@@ -56,7 +56,7 @@
       end
       prog += 1
       perc = prog.to_f / (ALL_STARS.length.to_f * ALL_STARS.length.to_f) * 100.0
-      print "Building universe graph ... #{'%3.2f' % perc}%\r"
+      print "Building universe graph ... #{"%3.2f" % perc}%\r"
     end
   end
   print "Building universe graph ...    done.\n"
diff --git a/lib/frontier/version.rb b/lib/frontier/version.rb
index 9e58a1d..75cfe55 100644
--- a/lib/frontier/version.rb
+++ b/lib/frontier/version.rb
@@ -22,7 +22,7 @@ module Frontier
   MINOR = 0.freeze
 
   # Defines the patch version of the {Frontier} module.
-  PATCH = 1.freeze
+  PATCH = 2.freeze
 
   # Defines the version string of the {Frontier} module.
   VERSION = [MAJOR, MINOR, PATCH].join(".").freeze
diff --git a/spec/frontier_spec.rb b/spec/frontier_spec.rb
index a840591..2cc1436 100644
--- a/spec/frontier_spec.rb
+++ b/spec/frontier_spec.rb
@@ -1,9 +1,9 @@
 require "spec_helper"
 
 describe Frontier do
-  it "0.0.1 works" do
+  it "0.0.2 works" do
 
     # placeholder to set up spec in future
-    expect(Frontier::VERSION).to eq "0.0.1"
+    expect(Frontier::VERSION).to eq "0.0.2"
   end
 end