diff --git a/.rr.yaml b/.rr.yaml
index 363e5b7..8c59f35 100644
--- a/.rr.yaml
+++ b/.rr.yaml
@@ -11,6 +11,12 @@ server:
 http:
     address: :8080
 
+    ssl:
+        address: :8443
+        cert: 'web/ssl/localhost.pem'
+        key: 'web/ssl/localhost-key.pem'
+        redirect: true
+
     headers:
         response:
             "Cache-Control": "no-cache"
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 295d5ce..81110c1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@
 - Bug #140: Move badges for latest stable version and total downloads in `README.md` to `Installation` section (@terabytesoftw)
 - Bug #142: Update installation instructions to use `dev-road-runner` in docs, remove  `extra.branch-alias` from `composer.json` (@terabytesoftw)
 - Bug #143: Remove outdated `RoadRunner` badge from `README.md` (@terabytesoftw)
+- Enh #145: Add HTTPS/TLS support with certificate and key for secure connections (@terabytesoftw)
 
 ## 0.1.0 August 31, 2025
 
diff --git a/README.md b/README.md
index f4ec38f..93afb4e 100644
--- a/README.md
+++ b/README.md
@@ -37,6 +37,7 @@ A modern, Bootstrap 5-powered Yii2 application template designed for rapid web-a
 - ✅ **Clean Architecture** - Well-organized directory structure following Yii2 best practices.
 - ✅ **Console Commands** - Example console commands for background tasks and maintenance.
 - ✅ **Developer Tools** - Debugging tools, logging, and development-friendly configurations.
+- ✅ **HTTPS/TLS Support** - Local HTTPS via TLS using mkcert-generated certificates.
 - ✅ **Modern Bootstrap 5 UI** - Responsive, mobile-first design with latest Bootstrap components.
 - ✅ **Testing Ready** - Codeception test suite with examples for functional and unit testing.
 
diff --git a/composer.lock b/composer.lock
index 761f122..eb45351 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "4358e8618ef44797732fd78d261a0e56",
+    "content-hash": "0996a11f110d6276cc71a81ee2b1111b",
     "packages": [
         {
             "name": "cebe/markdown",
@@ -2482,12 +2482,12 @@
             "source": {
                 "type": "git",
                 "url": "https://github.com/roadrunner-php/http.git",
-                "reference": "c00ab7afd289df7a6b49f9ef07ce57dcb8020df1"
+                "reference": "a44a5f7d54d4ee8a14fe99cd22dcd128db270c88"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/roadrunner-php/http/zipball/c00ab7afd289df7a6b49f9ef07ce57dcb8020df1",
-                "reference": "c00ab7afd289df7a6b49f9ef07ce57dcb8020df1",
+                "url": "https://api.github.com/repos/roadrunner-php/http/zipball/a44a5f7d54d4ee8a14fe99cd22dcd128db270c88",
+                "reference": "a44a5f7d54d4ee8a14fe99cd22dcd128db270c88",
                 "shasum": ""
             },
             "require": {
@@ -2503,9 +2503,11 @@
             "require-dev": {
                 "jetbrains/phpstorm-attributes": "^1.0",
                 "nyholm/psr7": "^1.3",
-                "phpunit/phpunit": "^10.0",
+                "phpunit/phpunit": "^10.5",
+                "spiral/code-style": "^2.3",
+                "spiral/dumper": "^3.3",
                 "symfony/process": "^6.2 || ^7.0",
-                "vimeo/psalm": "^5.9"
+                "vimeo/psalm": "^6.13"
             },
             "suggest": {
                 "ext-protobuf": "Provides Protocol Buffers support. Without it, performance will be lower.",
@@ -2555,7 +2557,7 @@
                 "docs": "https://docs.roadrunner.dev",
                 "forum": "https://forum.roadrunner.dev/",
                 "issues": "https://github.com/roadrunner-server/roadrunner/issues",
-                "source": "https://github.com/roadrunner-php/http/tree/v3.5.2"
+                "source": "https://github.com/roadrunner-php/http/tree/v3.6.0"
             },
             "funding": [
                 {
@@ -2563,7 +2565,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2025-05-13T09:40:10+00:00"
+            "time": "2025-08-31T12:42:23+00:00"
         },
         {
             "name": "spiral/roadrunner-worker",
@@ -7473,12 +7475,12 @@
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "5a39902d7871018ebf1b4a47284a984e2d39c012"
+                "reference": "b3ae3d27beb3625f29c7a01799d3f45506c53745"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/5a39902d7871018ebf1b4a47284a984e2d39c012",
-                "reference": "5a39902d7871018ebf1b4a47284a984e2d39c012",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/b3ae3d27beb3625f29c7a01799d3f45506c53745",
+                "reference": "b3ae3d27beb3625f29c7a01799d3f45506c53745",
                 "shasum": ""
             },
             "require": {
@@ -7524,7 +7526,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2025-08-30T16:32:16+00:00"
+            "time": "2025-08-31T15:28:24+00:00"
         },
         {
             "name": "phpstan/phpstan-strict-rules",
diff --git a/web/ssl/localhost-key.pem b/web/ssl/localhost-key.pem
new file mode 100644
index 0000000..4677e62
--- /dev/null
+++ b/web/ssl/localhost-key.pem
@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----
+MIIEvgIBADANBgkqhkiG9w0BAQEFAASCBKgwggSkAgEAAoIBAQDJXRl0fj4a5Myo
+WpAN8jevuPIlvS19Yk2243GIXf9rNt7/th4ujMYa7DyGmFE4UiXz/gj5y9vq6/3d
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+o/+gvI6MiEVxRRW9waKvbB2WqFu2PQRbdXDCxRqCHg1PuSepjy2Ym+ZbBuG4Wuwh
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+io9Mt3/aspZhx7uQf3yBoVMiOWRx/04t4Yc0oxuwLP4atGd7jhKZ2dfgCo6jPPet
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+OR4RsxWzAVuQ4LWgbsUlKyEID4mBuZjSrd5XsP3mgvg2Dn458ZIUHDWVQE1SNdDi
+bR5nT9kGHbmGJCBeon+PjYIde7XenxpW1yGevFFF1VtB1OHAXGE9k/bJAoGBAJDa
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+DNFgybL+X7Mh7P8tmBt1Adua
+-----END PRIVATE KEY-----
diff --git a/web/ssl/localhost.pem b/web/ssl/localhost.pem
new file mode 100644
index 0000000..7338a1f
--- /dev/null
+++ b/web/ssl/localhost.pem
@@ -0,0 +1,26 @@
+-----BEGIN CERTIFICATE-----
+MIIEYjCCAsqgAwIBAgIRAMJ3dsZ62GwPUcMuKwB/pBQwDQYJKoZIhvcNAQELBQAw
+gYcxHjAcBgNVBAoTFW1rY2VydCBkZXZlbG9wbWVudCBDQTEuMCwGA1UECwwlVGVy
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+GvP9WbrnCQvIW/n3T3pvmuV/BeRkVg==
+-----END CERTIFICATE-----