diff --git a/third_party/nixpkgs/patches/pr159074.patch b/third_party/nixpkgs/patches/pr159074.patch
new file mode 100644
index 0000000000..f8dedef99b
--- /dev/null
+++ b/third_party/nixpkgs/patches/pr159074.patch
@@ -0,0 +1,23 @@
+From 35cd881e3f259836f034330634920aef9c303490 Mon Sep 17 00:00:00 2001
+From: zowoq <59103226+zowoq@users.noreply.github.com>
+Date: Fri, 11 Feb 2022 09:16:45 +1000
+Subject: [PATCH] remarshal: fix build
+
+---
+ pkgs/development/python-modules/remarshal/default.nix | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/pkgs/development/python-modules/remarshal/default.nix b/pkgs/development/python-modules/remarshal/default.nix
+index fc888c2379ee3..99c868eb0b804 100644
+--- a/pkgs/development/python-modules/remarshal/default.nix
++++ b/pkgs/development/python-modules/remarshal/default.nix
+@@ -31,7 +31,8 @@ buildPythonApplication rec {
+   postPatch = ''
+     substituteInPlace pyproject.toml \
+       --replace "poetry.masonry.api" "poetry.core.masonry.api" \
+-      --replace 'PyYAML = "^5.3"' 'PyYAML = "*"'
++      --replace 'PyYAML = "^5.3"' 'PyYAML = "*"' \
++      --replace 'tomlkit = "^0.7"' 'tomlkit = "*"'
+   '';
+ 
+   nativeBuildInputs = [
diff --git a/third_party/nixpkgs/patches/series b/third_party/nixpkgs/patches/series
index f2cc68009d..bc2de2d81c 100644
--- a/third_party/nixpkgs/patches/series
+++ b/third_party/nixpkgs/patches/series
@@ -1,3 +1,4 @@
 pomerium-fix.patch
 pomerium-fix2.patch
 nvidia-sideband-socket.patch
+pr159074.patch
diff --git a/third_party/nixpkgs/pkgs/development/python-modules/remarshal/default.nix b/third_party/nixpkgs/pkgs/development/python-modules/remarshal/default.nix
index fc888c2379..99c868eb0b 100644
--- a/third_party/nixpkgs/pkgs/development/python-modules/remarshal/default.nix
+++ b/third_party/nixpkgs/pkgs/development/python-modules/remarshal/default.nix
@@ -31,7 +31,8 @@ buildPythonApplication rec {
   postPatch = ''
     substituteInPlace pyproject.toml \
       --replace "poetry.masonry.api" "poetry.core.masonry.api" \
-      --replace 'PyYAML = "^5.3"' 'PyYAML = "*"'
+      --replace 'PyYAML = "^5.3"' 'PyYAML = "*"' \
+      --replace 'tomlkit = "^0.7"' 'tomlkit = "*"'
   '';
 
   nativeBuildInputs = [