diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3e0c4f6..b080d5d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ jobs:
 
     strategy:
       matrix:
-        ruby: ["2.7", "3.0", "3.1"]
+        ruby: ["2.7", "3.0", "3.1", "3.2"]
 
     name: ${{ matrix.ruby }}
 
diff --git a/.gitignore b/.gitignore
index b04a8c8..7a6f5df 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,3 +9,5 @@
 
 # rspec failure tracking
 .rspec_status
+
+.ruby-version
diff --git a/Dockerfile b/Dockerfile
index 75cfa48..53df698 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@ RUN apk add --update --no-cache ruby git colordiff
 
 WORKDIR /wd
 
-COPY --from=quay.io/roboll/helmfile:v0.144.0 /usr/local/bin/helmfile /usr/local/bin/helmfile
+COPY --from=quay.io/roboll/helmfile:v0.149.0 /usr/local/bin/helmfile /usr/local/bin/helmfile
 COPY . .
 
 RUN gem install colorize && gem build && gem install helmsnap --local
diff --git a/Gemfile.lock b/Gemfile.lock
index da16472..1b6ed08 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -21,11 +21,11 @@ GEM
       concurrent-ruby (~> 1.0)
     json (2.6.3)
     method_source (1.0.0)
-    minitest (5.16.3)
+    minitest (5.17.0)
     parallel (1.22.1)
-    parser (3.1.3.0)
+    parser (3.2.0.0)
       ast (~> 2.4.1)
-    pry (0.14.1)
+    pry (0.14.2)
       coderay (~> 1.1)
       method_source (~> 1.0)
     rack (3.0.3)
@@ -39,49 +39,49 @@ GEM
       rspec-mocks (~> 3.12.0)
     rspec-core (3.12.0)
       rspec-support (~> 3.12.0)
-    rspec-expectations (3.12.1)
+    rspec-expectations (3.12.2)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.12.0)
-    rspec-mocks (3.12.1)
+    rspec-mocks (3.12.2)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.12.0)
     rspec-support (3.12.0)
-    rubocop (1.35.1)
+    rubocop (1.43.0)
       json (~> 2.3)
       parallel (~> 1.10)
-      parser (>= 3.1.2.1)
+      parser (>= 3.2.0.0)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
       rexml (>= 3.2.5, < 4.0)
-      rubocop-ast (>= 1.20.1, < 2.0)
+      rubocop-ast (>= 1.24.1, < 2.0)
       ruby-progressbar (~> 1.7)
-      unicode-display_width (>= 1.4.0, < 3.0)
-    rubocop-ast (1.24.0)
+      unicode-display_width (>= 2.4.0, < 3.0)
+    rubocop-ast (1.24.1)
       parser (>= 3.1.1.0)
-    rubocop-config-umbrellio (1.35.0.69)
-      rubocop (~> 1.35.0)
-      rubocop-performance (~> 1.14.0)
-      rubocop-rails (~> 2.15.0)
+    rubocop-config-umbrellio (1.43.0.81)
+      rubocop (~> 1.43.0)
+      rubocop-performance (~> 1.15.0)
+      rubocop-rails (~> 2.17.0)
       rubocop-rake (~> 0.6.0)
-      rubocop-rspec (~> 2.12.0)
+      rubocop-rspec (~> 2.16.0)
       rubocop-sequel (~> 0.3.3)
-    rubocop-performance (1.14.3)
+    rubocop-performance (1.15.2)
       rubocop (>= 1.7.0, < 2.0)
       rubocop-ast (>= 0.4.0)
-    rubocop-rails (2.15.2)
+    rubocop-rails (2.17.4)
       activesupport (>= 4.2.0)
       rack (>= 1.1)
-      rubocop (>= 1.7.0, < 2.0)
+      rubocop (>= 1.33.0, < 2.0)
     rubocop-rake (0.6.0)
       rubocop (~> 1.0)
-    rubocop-rspec (2.12.1)
-      rubocop (~> 1.31)
+    rubocop-rspec (2.16.0)
+      rubocop (~> 1.33)
     rubocop-sequel (0.3.4)
       rubocop (~> 1.0)
     ruby-progressbar (1.11.0)
     tzinfo (2.0.5)
       concurrent-ruby (~> 1.0)
-    unicode-display_width (2.3.0)
+    unicode-display_width (2.4.2)
 
 PLATFORMS
   arm64-darwin-21
@@ -98,4 +98,4 @@ DEPENDENCIES
   rubocop-config-umbrellio
 
 BUNDLED WITH
-   2.4.1
+   2.4.3