diff --git a/CHANGELOG.md b/CHANGELOG.md
index ebe247a1..a63aaf70 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,6 @@
 ### HEAD
 
+* Add configs for files marked as `text/x-cross-domain-policy`.
 * Add configs for files marked as `image/vnd.microsoft.icon`
   [[0ba37cb](https://github.com/h5bp/server-configs-apache/commit/0ba37cb77de29b29e44145046a936483aeb1bfc5)].
 * Add configs for files marked as `font/eot`
diff --git a/dist/.htaccess b/dist/.htaccess
index a960500c..127c2095 100644
--- a/dist/.htaccess
+++ b/dist/.htaccess
@@ -734,6 +734,7 @@ AddDefaultCharset utf-8
                                       "text/vnd.rim.location.xloc" \
                                       "text/vtt" \
                                       "text/x-component" \
+                                      "text/x-cross-domain-policy" \
                                       "text/xml"
 
     </IfModule>
@@ -866,6 +867,9 @@ FileETag None
     ExpiresByType font/opentype                         "access plus 1 month"
     ExpiresByType image/svg+xml                         "access plus 1 month"
 
+  # Other
+    ExpiresByType text/x-cross-domain-policy            "access plus 1 week"
+
 </IfModule>
 
 # ----------------------------------------------------------------------
diff --git a/src/web_performance/compression.conf b/src/web_performance/compression.conf
index 931412f5..46ac519e 100644
--- a/src/web_performance/compression.conf
+++ b/src/web_performance/compression.conf
@@ -56,6 +56,7 @@
                                       "text/vnd.rim.location.xloc" \
                                       "text/vtt" \
                                       "text/x-component" \
+                                      "text/x-cross-domain-policy" \
                                       "text/xml"
 
     </IfModule>
diff --git a/src/web_performance/expires_headers.conf b/src/web_performance/expires_headers.conf
index 0809c946..987906ab 100644
--- a/src/web_performance/expires_headers.conf
+++ b/src/web_performance/expires_headers.conf
@@ -67,4 +67,7 @@
     ExpiresByType font/opentype                         "access plus 1 month"
     ExpiresByType image/svg+xml                         "access plus 1 month"
 
+  # Other
+    ExpiresByType text/x-cross-domain-policy            "access plus 1 week"
+
 </IfModule>
diff --git a/test/fixtures/.htaccess b/test/fixtures/.htaccess
index e2d1745b..f93f9c26 100644
--- a/test/fixtures/.htaccess
+++ b/test/fixtures/.htaccess
@@ -686,6 +686,7 @@ AddDefaultCharset utf-8
                                       "text/vnd.rim.location.xloc" \
                                       "text/vtt" \
                                       "text/x-component" \
+                                      "text/x-cross-domain-policy" \
                                       "text/xml"
 
     </IfModule>
@@ -818,6 +819,9 @@ FileETag None
     ExpiresByType font/opentype                         "access plus 1 month"
     ExpiresByType image/svg+xml                         "access plus 1 month"
 
+  # Other
+    ExpiresByType text/x-cross-domain-policy            "access plus 1 week"
+
 </IfModule>
 
 # ----------------------------------------------------------------------