diff --git a/dist/file-icon-high-contrast.css b/dist/file-icon-high-contrast.css
index 9424d7d..228773a 100644
--- a/dist/file-icon-high-contrast.css
+++ b/dist/file-icon-high-contrast.css
@@ -384,6 +384,10 @@
   background-image: url("icons/high-contrast/dpj.svg");
 }
 
+.fiv-hct.fiv-icon-dtd {
+  background-image: url("icons/high-contrast/dtd.svg");
+}
+
 .fiv-hct.fiv-icon-editorconfig {
   background-image: url("icons/high-contrast/editorconfig.svg");
 }
@@ -392,6 +396,10 @@
   background-image: url("icons/high-contrast/el.svg");
 }
 
+.fiv-hct.fiv-icon-elf {
+  background-image: url("icons/high-contrast/elf.svg");
+}
+
 .fiv-hct.fiv-icon-eml {
   background-image: url("icons/high-contrast/eml.svg");
 }
@@ -1000,6 +1008,10 @@
   background-image: url("icons/high-contrast/xrb.svg");
 }
 
+.fiv-hct.fiv-icon-xsd {
+  background-image: url("icons/high-contrast/xsd.svg");
+}
+
 .fiv-hct.fiv-icon-xsl {
   background-image: url("icons/high-contrast/xsl.svg");
 }
diff --git a/dist/file-icon-high-contrast.min.css b/dist/file-icon-high-contrast.min.css
index db56fe5..fde38f8 100644
--- a/dist/file-icon-high-contrast.min.css
+++ b/dist/file-icon-high-contrast.min.css
@@ -96,8 +96,10 @@
 .fiv-hct.fiv-icon-dotm{background-image:url("icons/high-contrast/dotm.svg")}
 .fiv-hct.fiv-icon-dotx{background-image:url("icons/high-contrast/dotx.svg")}
 .fiv-hct.fiv-icon-dpj{background-image:url("icons/high-contrast/dpj.svg")}
+.fiv-hct.fiv-icon-dtd{background-image:url("icons/high-contrast/dtd.svg")}
 .fiv-hct.fiv-icon-editorconfig{background-image:url("icons/high-contrast/editorconfig.svg")}
 .fiv-hct.fiv-icon-el{background-image:url("icons/high-contrast/el.svg")}
+.fiv-hct.fiv-icon-elf{background-image:url("icons/high-contrast/elf.svg")}
 .fiv-hct.fiv-icon-eml{background-image:url("icons/high-contrast/eml.svg")}
 .fiv-hct.fiv-icon-enc{background-image:url("icons/high-contrast/enc.svg")}
 .fiv-hct.fiv-icon-eps{background-image:url("icons/high-contrast/eps.svg")}
@@ -250,6 +252,7 @@
 .fiv-hct.fiv-icon-xml{background-image:url("icons/high-contrast/xml.svg")}
 .fiv-hct.fiv-icon-xps{background-image:url("icons/high-contrast/xps.svg")}
 .fiv-hct.fiv-icon-xrb{background-image:url("icons/high-contrast/xrb.svg")}
+.fiv-hct.fiv-icon-xsd{background-image:url("icons/high-contrast/xsd.svg")}
 .fiv-hct.fiv-icon-xsl{background-image:url("icons/high-contrast/xsl.svg")}
 .fiv-hct.fiv-icon-xspf{background-image:url("icons/high-contrast/xspf.svg")}
 .fiv-hct.fiv-icon-xz{background-image:url("icons/high-contrast/xz.svg")}
diff --git a/dist/file-icon-vectors.css b/dist/file-icon-vectors.css
index 5aca60e..8249444 100644
--- a/dist/file-icon-vectors.css
+++ b/dist/file-icon-vectors.css
@@ -5223,6 +5223,10 @@
   background-image: url("icons/high-contrast/dpj.svg");
 }
 
+.fiv-hct.fiv-icon-dtd {
+  background-image: url("icons/high-contrast/dtd.svg");
+}
+
 .fiv-hct.fiv-icon-editorconfig {
   background-image: url("icons/high-contrast/editorconfig.svg");
 }
@@ -5231,6 +5235,10 @@
   background-image: url("icons/high-contrast/el.svg");
 }
 
+.fiv-hct.fiv-icon-elf {
+  background-image: url("icons/high-contrast/elf.svg");
+}
+
 .fiv-hct.fiv-icon-eml {
   background-image: url("icons/high-contrast/eml.svg");
 }
@@ -5839,6 +5847,10 @@
   background-image: url("icons/high-contrast/xrb.svg");
 }
 
+.fiv-hct.fiv-icon-xsd {
+  background-image: url("icons/high-contrast/xsd.svg");
+}
+
 .fiv-hct.fiv-icon-xsl {
   background-image: url("icons/high-contrast/xsl.svg");
 }
diff --git a/dist/file-icon-vectors.min.css b/dist/file-icon-vectors.min.css
index 0a909d9..f2b4e1d 100644
--- a/dist/file-icon-vectors.min.css
+++ b/dist/file-icon-vectors.min.css
@@ -1305,8 +1305,10 @@
 .fiv-hct.fiv-icon-dotm{background-image:url("icons/high-contrast/dotm.svg")}
 .fiv-hct.fiv-icon-dotx{background-image:url("icons/high-contrast/dotx.svg")}
 .fiv-hct.fiv-icon-dpj{background-image:url("icons/high-contrast/dpj.svg")}
+.fiv-hct.fiv-icon-dtd{background-image:url("icons/high-contrast/dtd.svg")}
 .fiv-hct.fiv-icon-editorconfig{background-image:url("icons/high-contrast/editorconfig.svg")}
 .fiv-hct.fiv-icon-el{background-image:url("icons/high-contrast/el.svg")}
+.fiv-hct.fiv-icon-elf{background-image:url("icons/high-contrast/elf.svg")}
 .fiv-hct.fiv-icon-eml{background-image:url("icons/high-contrast/eml.svg")}
 .fiv-hct.fiv-icon-enc{background-image:url("icons/high-contrast/enc.svg")}
 .fiv-hct.fiv-icon-eps{background-image:url("icons/high-contrast/eps.svg")}
@@ -1459,6 +1461,7 @@
 .fiv-hct.fiv-icon-xml{background-image:url("icons/high-contrast/xml.svg")}
 .fiv-hct.fiv-icon-xps{background-image:url("icons/high-contrast/xps.svg")}
 .fiv-hct.fiv-icon-xrb{background-image:url("icons/high-contrast/xrb.svg")}
+.fiv-hct.fiv-icon-xsd{background-image:url("icons/high-contrast/xsd.svg")}
 .fiv-hct.fiv-icon-xsl{background-image:url("icons/high-contrast/xsl.svg")}
 .fiv-hct.fiv-icon-xspf{background-image:url("icons/high-contrast/xspf.svg")}
 .fiv-hct.fiv-icon-xz{background-image:url("icons/high-contrast/xz.svg")}
diff --git a/dist/icons/high-contrast/catalog.json b/dist/icons/high-contrast/catalog.json
index 31c2aa3..1bcbdb5 100644
--- a/dist/icons/high-contrast/catalog.json
+++ b/dist/icons/high-contrast/catalog.json
@@ -1 +1 @@
-["3g2","3ga","3gp","7z","aa","aac","ac","accdb","accdt","ace","adn","ai","aif","aifc","aiff","ait","amr","ani","apk","app","applescript","asax","asc","ascx","asf","ash","ashx","asm","asmx","asp","aspx","asx","au","aup","avi","axd","aze","bak","bash","bin","blank","bmp","bowerrc","bpg","browser","bz2","c","cad","caf","cal","cd","cer","cfg","cfm","cfml","cgi","class","code-workspace","coffee","coffeelintignore","compile","conf","config","cpp","cr2","crt","crypt","csh","cson","csproj","cue","cur","dat","data","db","dbf","deb","dist","diz","dng","doc","docb","docm","docx","dot","dotm","dotx","dpj","editorconfig","el","eml","enc","eps","eslintignore","exe","flac","gitignore","go","gradle","gz","h","handlebars","hbs","heic","icns","ico","idx","iff","image","in","inc","indd","inf","info","ini","jar","java","jpe","jpeg","jpg","jsp","jsx","ksh","kt","kts","licx","lisp","lnk","lock","log","m2v","m3u","m3u8","m4a","m4r","m4v","map","mc","md","mdb","me","mi","mid","midi","mk","mkv","mo","mod","mov","mp2","mp3","mp4","mpa","mpe","mpeg","mpg","mpga","msg","msi","msu","nef","nes","nix","npmignore","ocx","ods","odt","ogv","pdb","pem","php","pl","png","po","pom","pot","potx","pps","ppsx","ppt","pptm","pptx","ps","psd","psp","pst","qt","ra","ram","rar","raw","rdf","rdl","resx","rm","rpm","rsa","rtf","sass","scss","sdf","sit","skin","sql","sqlite","step","stl","svg","swift","tar","tex","tga","tgz","tif","tiff","ts","tsv","txt","vob","vscodeignore","war","wav","wbk","webinfo","webm","webp","wma","wmf","wmv","wps","wsf","xaml","xlm","xls","xlsm","xlsx","xlt","xltm","xltx","xml","xps","xrb","xsl","xspf","xz","yaml","yml","z","zip","zsh"]
\ No newline at end of file
+["3g2","3ga","3gp","7z","aa","aac","ac","accdb","accdt","ace","adn","ai","aif","aifc","aiff","ait","amr","ani","apk","app","applescript","asax","asc","ascx","asf","ash","ashx","asm","asmx","asp","aspx","asx","au","aup","avi","axd","aze","bak","bash","bin","blank","bmp","bowerrc","bpg","browser","bz2","c","cad","caf","cal","cd","cer","cfg","cfm","cfml","cgi","class","code-workspace","coffee","coffeelintignore","compile","conf","config","cpp","cr2","crt","crypt","csh","cson","csproj","cue","cur","dat","data","db","dbf","deb","dist","diz","dng","doc","docb","docm","docx","dot","dotm","dotx","dpj","dtd","editorconfig","el","elf","eml","enc","eps","eslintignore","exe","flac","gitignore","go","gradle","gz","h","handlebars","hbs","heic","icns","ico","idx","iff","image","in","inc","indd","inf","info","ini","jar","java","jpe","jpeg","jpg","jsp","jsx","ksh","kt","kts","licx","lisp","lnk","lock","log","m2v","m3u","m3u8","m4a","m4r","m4v","map","mc","md","mdb","me","mi","mid","midi","mk","mkv","mo","mod","mov","mp2","mp3","mp4","mpa","mpe","mpeg","mpg","mpga","msg","msi","msu","nef","nes","nix","npmignore","ocx","ods","odt","ogv","pdb","pem","php","pl","png","po","pom","pot","potx","pps","ppsx","ppt","pptm","pptx","ps","psd","psp","pst","qt","ra","ram","rar","raw","rdf","rdl","resx","rm","rpm","rsa","rtf","sass","scss","sdf","sit","skin","sql","sqlite","step","stl","svg","swift","tar","tex","tga","tgz","tif","tiff","ts","tsv","txt","vob","vscodeignore","war","wav","wbk","webinfo","webm","webp","wma","wmf","wmv","wps","wsf","xaml","xlm","xls","xlsm","xlsx","xlt","xltm","xltx","xml","xps","xrb","xsd","xsl","xspf","xz","yaml","yml","z","zip","zsh"]
\ No newline at end of file
diff --git a/dist/icons/high-contrast/dtd.svg b/dist/icons/high-contrast/dtd.svg
new file mode 100644
index 0000000..8982b50
--- /dev/null
+++ b/dist/icons/high-contrast/dtd.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path d="M36.8 47.6L11.8 35v-.2l25-12.5v-8.6L3.5 31.5v6.8l33.3 17.6v-8.3zm17.1-7.4L55.5 11H44.6l1.6 29.3h7.7zM50 58.5c3.6 0 6.2-3.3 6.2-7.2 0-4.4-2.4-7.2-6.2-7.2s-6.2 2.9-6.2 7.2c-.1 3.9 2.3 7.2 6.2 7.2zm13.2-44.8v8.6l25.5 12.4v.2L63.2 47.4v8.5l33.3-17.6v-7.2L63.2 13.7zM8.5 67.1h83.2v5.7H8.5v-5.7zm0 16.2h83.2V89H8.5v-5.7z" fill="#bababa" stroke="#bababa" stroke-width=".75" stroke-miterlimit="10"/></svg>
\ No newline at end of file
diff --git a/dist/icons/high-contrast/elf.svg b/dist/icons/high-contrast/elf.svg
new file mode 100644
index 0000000..03f17e1
--- /dev/null
+++ b/dist/icons/high-contrast/elf.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path d="M79.9 14.3H21.1v8.1h-12V25H2.8v2.2h6.4v2.9h12v14.1h-12v2.9H2.8v2.2h6.4v2.6h12V67h-12v2.7H2.8V72h6.4v2.7h12v11H80v-11h11V72h6.4v-2.2H91V67H80V51.9h11v-2.6h6.4v-2.2H91v-2.9H80V30.1h11v-2.7h6.4v-2.2H91v-2.6H80c-.1-.1-.1-8.3-.1-8.3zM68.7 33.8c-2.4 0-4.5-2.1-4.5-4.5s2.1-4.5 4.5-4.5 4.5 2.1 4.5 4.5c0 2.3-2.1 4.5-4.5 4.5z" fill="#a7abd6"/></svg>
\ No newline at end of file
diff --git a/dist/icons/high-contrast/ksh.svg b/dist/icons/high-contrast/ksh.svg
index e69de29..e954687 100644
--- a/dist/icons/high-contrast/ksh.svg
+++ b/dist/icons/high-contrast/ksh.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path d="M35.7 39.3h28.4v7H35.7v-7zm0 14.2h28.4v7H35.7v-7zm0 14.2h28.4v7H35.7v-7zM85.3 4H28.7C21 4 14.6 10.2 14.6 18.1v63.7H.4C.4 89.6 6.6 96 14.6 96h56.7c7.7 0 14.2-6.3 14.2-14.2V25.1h14.2v-7C99.4 10.2 93.2 4 85.3 4zm-7 76.6c0 4.6-3.7 8.3-8.3 8.3H18.1c3.5-2.4 3.5-7 3.5-7V18.1c0-3.9 3.1-7 7-7s7 3.1 7 7v7h42.5v55.4h.2zM42.9 18.1v-7h42.5c6.4 0 7 4.1 7 7H42.9z" fill="#bababa" stroke="#bababa" stroke-width=".75" stroke-miterlimit="10"/></svg>
\ No newline at end of file
diff --git a/dist/icons/high-contrast/xsd.svg b/dist/icons/high-contrast/xsd.svg
new file mode 100644
index 0000000..cfa3285
--- /dev/null
+++ b/dist/icons/high-contrast/xsd.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path d="M35.2 32.5h7.3v5h-2.8c-.8 0-1.5.7-1.5 1.5s.7 1.5 1.5 1.5h20.5c.8 0 1.5-.7 1.5-1.5s-.7-1.5-1.5-1.5h-2.8v-5h7.3c2.9 0 5.2-2.3 5.2-5.2V9.7c0-2.9-2.3-5.2-5.2-5.2H35.2c-2.9 0-5.2 2.3-5.2 5.2v17.5c0 3 2.3 5.3 5.2 5.3zm19.4 5h-9.1v-5h9.1v5zM32.9 9.7c0-1.3 1-2.3 2.3-2.3h29.6c1.3 0 2.3 1 2.3 2.3v17.5c0 1.3-1 2.3-2.3 2.3H35.2c-1.3 0-2.3-1-2.3-2.3V9.7zm6.5 49.9H9.7c-2.9 0-5.2 2.3-5.2 5.2v17.5c0 2.9 2.3 5.2 5.2 5.2H17v5h-2.8c-.8 0-1.5.7-1.5 1.5s.6 1.5 1.5 1.5h20.5c.8 0 1.5-.7 1.5-1.5s-.7-1.5-1.5-1.5h-2.6v-5h7.3c2.9 0 5.2-2.3 5.2-5.2V64.8c0-2.9-2.4-5.2-5.2-5.2zm-10.2 33h-9.1v-5h9.1v5zm12.5-10.3c0 1.3-1 2.3-2.3 2.3H9.7c-1.3 0-2.3-1-2.3-2.3V64.8c0-1.3 1-2.3 2.3-2.3h29.6c1.3 0 2.3 1 2.3 2.3v17.6l.1-.1zm48.6-22.7H60.6c-2.9 0-5.2 2.3-5.2 5.2v17.5c0 2.9 2.3 5.2 5.2 5.2h7.3v5h-2.8c-.8 0-1.5.7-1.5 1.5s.6 1.5 1.5 1.5h20.6c.8 0 1.5-.7 1.5-1.5s-.7-1.5-1.5-1.5H83v-5h7.3c2.9 0 5.2-2.3 5.2-5.2V64.8c0-2.9-2.3-5.2-5.2-5.2zm-10.2 33H71v-5h9.1v5zm12.5-10.3c0 1.3-1 2.3-2.3 2.3H60.6c-1.3 0-2.3-1-2.3-2.3V64.8c0-1.3 1-2.3 2.3-2.3h29.6c1.3 0 2.3 1 2.3 2.3-.1 0 .1 17.5.1 17.5zM74.1 55c0 .8.7 1.5 1.5 1.5S77 55.8 77 55v-5c0-.8-.7-1.5-1.5-1.5h-24V45c0-.8-.7-1.5-1.5-1.5s-1.5.7-1.5 1.5v3.6h-24c-.8 0-1.5.7-1.5 1.5v5c0 .8.7 1.5 1.5 1.5S26 55.8 26 55v-3.6h47.9V55h.2z" fill="#bababa" stroke="#bababa" stroke-width="3" stroke-miterlimit="10"/></svg>
\ No newline at end of file
diff --git a/src/scss/_file-icon-high-contrast-list.scss b/src/scss/_file-icon-high-contrast-list.scss
index 96c27f3..cfe1b01 100644
--- a/src/scss/_file-icon-high-contrast-list.scss
+++ b/src/scss/_file-icon-high-contrast-list.scss
@@ -87,8 +87,10 @@
 @include file-icon(high-contrast, hct, dotm);
 @include file-icon(high-contrast, hct, dotx);
 @include file-icon(high-contrast, hct, dpj);
+@include file-icon(high-contrast, hct, dtd);
 @include file-icon(high-contrast, hct, editorconfig);
 @include file-icon(high-contrast, hct, el);
+@include file-icon(high-contrast, hct, elf);
 @include file-icon(high-contrast, hct, eml);
 @include file-icon(high-contrast, hct, enc);
 @include file-icon(high-contrast, hct, eps);
@@ -241,6 +243,7 @@
 @include file-icon(high-contrast, hct, xml);
 @include file-icon(high-contrast, hct, xps);
 @include file-icon(high-contrast, hct, xrb);
+@include file-icon(high-contrast, hct, xsd);
 @include file-icon(high-contrast, hct, xsl);
 @include file-icon(high-contrast, hct, xspf);
 @include file-icon(high-contrast, hct, xz);