diff --git a/README.md b/README.md
index df55b3b..75491f2 100644
--- a/README.md
+++ b/README.md
@@ -59,6 +59,7 @@ RUN install-php-extensions gd xdebug
 | decimal |  |  | V | V | V | V | V |
 | enchant | V | V | V | V | V | V | V |
 | exif | V | V | V | V | V | V | V |
+| ffi |  |  |  |  |  |  | V |
 | gd | V | V | V | V | V | V | V |
 | gettext | V | V | V | V | V | V | V |
 | gmagick | V | V | V | V | V | V | V |
@@ -125,7 +126,7 @@ RUN install-php-extensions gd xdebug
 | yaml | V | V | V | V | V | V | V |
 | zip | V | V | V | V | V | V | V |
 
-*Number of supported extensions: 75*
+*Number of supported extensions: 76*
 <!-- END OF EXTENSIONS TABLE -->
 
 PS: the pre-installed PHP extensions are excluded from this list.
diff --git a/data/supported-extensions b/data/supported-extensions
index a69724b..96f256a 100644
--- a/data/supported-extensions
+++ b/data/supported-extensions
@@ -8,6 +8,7 @@ dba 5.5 5.6 7.0 7.1 7.2 7.3 7.4
 decimal 7.0 7.1 7.2 7.3 7.4
 enchant 5.5 5.6 7.0 7.1 7.2 7.3 7.4
 exif 5.5 5.6 7.0 7.1 7.2 7.3 7.4
+ffi 7.4
 gd 5.5 5.6 7.0 7.1 7.2 7.3 7.4
 gettext 5.5 5.6 7.0 7.1 7.2 7.3 7.4
 gmagick 5.5 5.6 7.0 7.1 7.2 7.3 7.4
diff --git a/install-php-extensions b/install-php-extensions
index d192b96..3b2f45e 100755
--- a/install-php-extensions
+++ b/install-php-extensions
@@ -268,6 +268,13 @@ buildRequiredPackageLists() {
 				buildRequiredPackageLists_persistent="$buildRequiredPackageLists_persistent libenchant1c2a"
 				buildRequiredPackageLists_volatile="$buildRequiredPackageLists_volatile libenchant-dev"
 				;;
+			ffi@alpine)
+				buildRequiredPackageLists_persistent="$buildRequiredPackageLists_persistent libffi"
+				buildRequiredPackageLists_volatile="$buildRequiredPackageLists_volatile libffi-dev"
+				;;
+			ffi@debian)
+				buildRequiredPackageLists_volatile="$buildRequiredPackageLists_volatile libffi-dev"
+				;;
 			gd@alpine)
 				buildRequiredPackageLists_persistent="$buildRequiredPackageLists_persistent freetype libjpeg-turbo libpng libxpm"
 				buildRequiredPackageLists_volatile="$buildRequiredPackageLists_volatile freetype-dev libjpeg-turbo-dev libpng-dev libxpm-dev"