diff --git a/.travis.yml b/.travis.yml
index 2db6fff2..68c630e6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,6 +7,7 @@ php:
 - "7.1"
 - "7.2"
 - "7.3"
+- "7.4"
 
 cache:
   directories:
@@ -23,13 +24,18 @@ before_install:
 
 install:
 - >
-  export IGNORE_PLATFORM_REQS="$(composer php:version |grep -q '^7.3' && printf -- --ignore-platform-reqs)";
+  export IGNORE_PLATFORM_REQS="$(composer php:version | grep -q '^7\.[34]' && printf -- --ignore-platform-reqs)";
   echo;
   echo "Updating the dependencies";
   composer update $IGNORE_PLATFORM_REQS --with-dependencies $DEPENDENCIES;
   composer show;
 
 script:
+- >
+  is_php_73() {
+    composer php:version | grep -q '^7\.3';
+  };
+
 - >
   echo;
   echo "Validating the composer.json";
@@ -46,21 +52,37 @@ script:
   composer ci:tests:unit;
 
 - >
-  echo;
-  echo "Running PHPMD";
-  composer ci:php:md;
+  if is_php_73; then
+    echo;
+    echo "Running PHPMD";
+    composer ci:php:md;
+  else
+    echo "Skipping PHPMD (will only be run on PHP 7.3).";
+  fi;
 
 - >
-  echo;
-  echo "Running Psalm";
-  composer ci:php:psalm;
+  if is_php_73; then
+    echo;
+    echo "Running Psalm";
+    composer ci:php:psalm;
+  else
+    echo "Skipping Psalm (will only be run on PHP 7.3).";
+  fi;
 
 - >
-  echo;
-  echo "Running PHP_CodeSniffer";
-  composer ci:php:sniff;
+  if is_php_73; then
+    echo;
+    echo "Running PHP_CodeSniffer";
+    composer ci:php:sniff;
+  else
+    echo "Skipping PHP_CodeSniffer (will only be run on PHP 7.3).";
+  fi;
 
 - >
-  echo;
-  echo "Running PHP-CS-Fixer";
-  composer ci:php:fixer;
+  if is_php_73; then
+    echo;
+    echo "Running PHP-CS-Fixer";
+    composer ci:php:fixer;
+  else
+    echo "Skipping PHP-CS-Fixer (will only be run on PHP 7.3).";
+  fi;
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9f7a1503..c4b2a0df 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,8 @@ This project adheres to [Semantic Versioning](https://semver.org/).
 ## x.y.z
 
 ### Added
+- Add support for PHP 7.4
+  ([#821](https://github.com/MyIntervals/emogrifier/pull/821))
 - Disable php-cs-fixer Yoda conditions
   ([#791](https://github.com/MyIntervals/emogrifier/issues/791),
   [#794](https://github.com/MyIntervals/emogrifier/pull/794))
diff --git a/composer.json b/composer.json
index 813835b1..51efcf40 100644
--- a/composer.json
+++ b/composer.json
@@ -37,7 +37,7 @@
         "source": "https://github.com/MyIntervals/emogrifier"
     },
     "require": {
-        "php": "~7.0.0 || ~7.1.0 || ~7.2.0 || ~7.3.0",
+        "php": "~7.0 || ~7.1 || ~7.2 || ~7.3 || ~7.4",
         "ext-dom": "*",
         "ext-libxml": "*",
         "symfony/css-selector": "^2.8 || ^3.0 || ^4.0 || ^5.0"