diff --git a/docs/theme-dark.scss b/docs/theme-dark.scss
index ee618d3a8e56..fa1b97d7158c 100644
--- a/docs/theme-dark.scss
+++ b/docs/theme-dark.scss
@@ -1,7 +1,3 @@
 /*-- scss:defaults --*/
 $code-color: #c2d94c;
 $code-bg: #2b2b2b;
-
-thead.tableFloatingHeaderOriginal {
-  background-color: rgb(47, 47, 47);
-}
diff --git a/docs/theme-light.scss b/docs/theme-light.scss
index 137ecc916c52..fccb0ef5722d 100644
--- a/docs/theme-light.scss
+++ b/docs/theme-light.scss
@@ -2,7 +2,3 @@
 .quarto-title-banner .quarto-title .title {
   color: #ccd1d5;
 }
-
-thead.tableFloatingHeaderOriginal {
-  background-color: #ffffff;
-}
diff --git a/nix/quarto/default.nix b/nix/quarto/default.nix
index 7cb27e5d372c..08f2a26381a8 100644
--- a/nix/quarto/default.nix
+++ b/nix/quarto/default.nix
@@ -12,10 +12,10 @@
 
 stdenv.mkDerivation rec {
   pname = "quarto";
-  version = "1.4.549";
+  version = "1.5.13";
   src = fetchurl {
     url = "https://github.com/quarto-dev/quarto-cli/releases/download/v${version}/quarto-${version}-linux-amd64.tar.gz";
-    sha256 = "sha256-YeA9QKdaSzKtgjybVz22IopYICqblflNE8nN8j3Xr3g=";
+    sha256 = "sha256-X+VgTY649Vo37u8byNzLD+KPVK3MRdySAPN0ZhdBw0g=";
   };
 
   nativeBuildInputs = [ autoPatchelfHook makeWrapper ];