diff --git a/fonts/copse-regular-webfont.svg b/fonts/copse-regular-webfont.svg
index 1e920b5..38cdb30 100644
--- a/fonts/copse-regular-webfont.svg
+++ b/fonts/copse-regular-webfont.svg
@@ -1,5 +1,5 @@
 <?xml version="1.0" standalone="no"?>
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd" >
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "https://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd" >
 <svg xmlns="http://www.w3.org/2000/svg">
 <metadata>
 This is a custom SVG webfont generated by Font Squirrel.
diff --git a/fonts/quattrocentosans-bold-webfont.svg b/fonts/quattrocentosans-bold-webfont.svg
index fb162e9..c83aedb 100644
--- a/fonts/quattrocentosans-bold-webfont.svg
+++ b/fonts/quattrocentosans-bold-webfont.svg
@@ -1,5 +1,5 @@
 <?xml version="1.0" standalone="no"?>
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd" >
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "https://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd" >
 <svg xmlns="http://www.w3.org/2000/svg">
 <metadata>
 This is a custom SVG webfont generated by Font Squirrel.
diff --git a/fonts/quattrocentosans-bolditalic-webfont.svg b/fonts/quattrocentosans-bolditalic-webfont.svg
index 9070a8b..bbc11b1 100644
--- a/fonts/quattrocentosans-bolditalic-webfont.svg
+++ b/fonts/quattrocentosans-bolditalic-webfont.svg
@@ -1,5 +1,5 @@
 <?xml version="1.0" standalone="no"?>
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd" >
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "https://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd" >
 <svg xmlns="http://www.w3.org/2000/svg">
 <metadata>
 This is a custom SVG webfont generated by Font Squirrel.
diff --git a/fonts/quattrocentosans-italic-webfont.svg b/fonts/quattrocentosans-italic-webfont.svg
index b613779..f1ccf63 100644
--- a/fonts/quattrocentosans-italic-webfont.svg
+++ b/fonts/quattrocentosans-italic-webfont.svg
@@ -1,5 +1,5 @@
 <?xml version="1.0" standalone="no"?>
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd" >
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "https://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd" >
 <svg xmlns="http://www.w3.org/2000/svg">
 <metadata>
 This is a custom SVG webfont generated by Font Squirrel.
diff --git a/fonts/quattrocentosans-regular-webfont.svg b/fonts/quattrocentosans-regular-webfont.svg
index 3470924..6f10718 100644
--- a/fonts/quattrocentosans-regular-webfont.svg
+++ b/fonts/quattrocentosans-regular-webfont.svg
@@ -1,5 +1,5 @@
 <?xml version="1.0" standalone="no"?>
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd" >
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "https://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd" >
 <svg xmlns="http://www.w3.org/2000/svg">
 <metadata>
 This is a custom SVG webfont generated by Font Squirrel.