diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 92cbf86..674413f 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -5,6 +5,7 @@ on:
     branches: [main]
 
 env:
+  MIX_ENV: test
   elixir_version: '1.17.0'
   otp_version: '26.2.5.6'
 
@@ -122,12 +123,12 @@ jobs:
         uses: actions/cache@v4
         id: plt_cache
         with:
-          key: plt-${{ steps.beam.outputs.otp-version }}-${{ steps.beam.outputs.elixir-version }}-${{ hashFiles('**/mix.lock') }}-${{ hashFiles('**/*.ex') }}
+          key: plt-${{ env.otp_version }}-${{ env.elixir_version }}-${{ hashFiles('**/mix.lock') }}-${{ hashFiles('**/*.ex') }}
           restore-keys: |
-            plt-${{ steps.beam.outputs.otp-version }}-${{ steps.beam.outputs.elixir-version }}-${{ hashFiles('**/mix.lock') }}-${{ hashFiles('**/*.ex') }}
-            plt-${{ steps.beam.outputs.otp-version }}-${{ steps.beam.outputs.elixir-version }}-${{ hashFiles('**/mix.lock') }}-
-            plt-${{ steps.beam.outputs.otp-version }}-${{ steps.beam.outputs.elixir-version }}-
-            plt-${{ steps.beam.outputs.otp-version }}-
+            plt-${{ env.otp_version }}-${{ env.elixir_version }}-${{ hashFiles('**/mix.lock') }}-${{ hashFiles('**/*.ex') }}
+            plt-${{ env.otp_version }}-${{ env.elixir_version }}-${{ hashFiles('**/mix.lock') }}-
+            plt-${{ env.otp_version }}-${{ env.elixir_version }}-
+            plt-${{ env.otp_version }}-
           path: priv/plts
 
       - name: Create PLTs
diff --git a/.gitignore b/.gitignore
index 0d7e0d5..47273e8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -41,6 +41,10 @@ priv/static/*
 # Ignore local .db files
 /priv/*.db*
 
+# Dialyzer
+/priv/plts/*.plt
+/priv/plts/*.plt.hash
+
 # Ignore .tool-versions file
 .tool-versions
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5d4f867..7e3ea05 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,16 +1,18 @@
 # CHANGELOG (v0.1.X)
 
-## 0.1.7 🚀 (2025-03-21)
+## 0.1.8 ()
 
-### Backwards incompatible changes for 0.1.6
+### Backwards incompatible changes for 0.1.7
  * None
 
 ### Bug fixes
- * Fixing possible pattern match error with Liveview Socket without URI
+ * None
 
 ### Enhancements
+ * [[`PR-13`](https://github.com/thiagoesteves/deployex/pull/13)] Fixed dialyzer configuration
 
 # 🚀 Previous Releases
+ * [0.1.7 (2025-03-21)](https://github.com/thiagoesteves/observer_web/blob/v0.1.7/CHANGELOG.md)
  * [0.1.6 (2025-03-21)](https://github.com/thiagoesteves/observer_web/blob/v0.1.6/CHANGELOG.md)
  * [0.1.5 (2025-02-26)](https://github.com/thiagoesteves/observer_web/blob/v0.1.5/CHANGELOG.md)
  * [0.1.4 (2025-02-11)](https://github.com/thiagoesteves/observer_web/blob/v0.1.4/CHANGELOG.md)
diff --git a/mix.exs b/mix.exs
index 00f4e9f..4a8ea10 100644
--- a/mix.exs
+++ b/mix.exs
@@ -2,7 +2,7 @@ defmodule ObserverWeb.MixProject do
   use Mix.Project
 
   @source_url "https://github.com/thiagoesteves/observer_web"
-  @version "0.1.7"
+  @version "0.1.8"
 
   def project do
     [
@@ -21,7 +21,12 @@ defmodule ObserverWeb.MixProject do
       docs: docs(),
       deps: deps(),
       test_coverage: [tool: ExCoveralls],
-      dialyzer: [ignore_warnings: ".dialyzer_ignore.exs"],
+      dialyzer: [
+        plt_add_apps: [:ex_unit, :mix],
+        check_plt: true,
+        plt_file: {:no_warn, "priv/plts/dialyzer.plt"},
+        ignore_warnings: ".dialyzer_ignore.exs"
+      ],
       preferred_cli_env: [
         coveralls: :test,
         "coveralls.detail": :test,
@@ -120,7 +125,7 @@ defmodule ObserverWeb.MixProject do
 
       # Tooling
       {:credo, "~> 1.7", only: [:test, :dev], runtime: false},
-      {:dialyxir, "~> 1.4", only: [:dev], runtime: false},
+      {:dialyxir, "~> 1.4", only: [:dev, :test], runtime: false},
       {:floki, "~> 0.33", only: [:test, :dev]},
       {:mox, "~> 1.0", only: :test},
       {:excoveralls, "~> 0.18", only: :test},