diff --git a/kiwixbuild/dependencies/kiwix_lib.py b/kiwixbuild/dependencies/kiwix_lib.py
index 397c740..6332394 100644
--- a/kiwixbuild/dependencies/kiwix_lib.py
+++ b/kiwixbuild/dependencies/kiwix_lib.py
@@ -18,6 +18,8 @@ class Kiwixlib(Dependency):
         def configure_option(self):
             if self.buildEnv.platformInfo.build == 'android':
                 return '-Dandroid=true'
+            if self.buildEnv.platformInfo.build == 'iOS':
+                return '-Db_bitcode=true'
             return ''
 
         @property
diff --git a/kiwixbuild/dependencies/libzim.py b/kiwixbuild/dependencies/libzim.py
index 9c2ff33..6113dce 100644
--- a/kiwixbuild/dependencies/libzim.py
+++ b/kiwixbuild/dependencies/libzim.py
@@ -16,8 +16,9 @@ class Libzim(Dependency):
 
         @property
         def configure_option(self):
-            options = ""
             platformInfo = self.buildEnv.platformInfo
             if platformInfo.build == 'android':
-                options += "-DUSE_BUFFER_HEADER=false"
-            return options
+                return "-DUSE_BUFFER_HEADER=false"
+            if platformInfo.build == 'iOS':
+                return "-Db_bitcode=true"
+            return ""