diff --git a/pkgs/by-name/bo/boulder/package.nix b/pkgs/by-name/bo/boulder/package.nix
index 71a066a55262..1a26b442a091 100644
--- a/pkgs/by-name/bo/boulder/package.nix
+++ b/pkgs/by-name/bo/boulder/package.nix
@@ -3,19 +3,18 @@
   fetchFromGitHub,
   buildGoModule,
   testers,
-  boulder,
   minica,
   nix-update-script,
 }:
 
-buildGoModule rec {
+buildGoModule (finalAttrs: {
   pname = "boulder";
-  version = "0.20251118.0";
+  version = "0.20260331.0";
 
   src = fetchFromGitHub {
     owner = "letsencrypt";
     repo = "boulder";
-    tag = "v${version}";
+    tag = "v${finalAttrs.version}";
     leaveDotGit = true;
     postFetch = ''
       pushd $out
@@ -23,7 +22,7 @@ buildGoModule rec {
       find $out -name .git -print0 | xargs -0 rm -rf
       popd
     '';
-    hash = "sha256-JVkIu8Fh5F8WQXa45I0hnSedAaIQIOFidtWVpVHbAWA=";
+    hash = "sha256-2kYZp/cU9OuXmy8EDoX7htqlM7NpAl45Nf2S5MTVn6Y=";
   };
 
   vendorHash = null;
@@ -35,6 +34,8 @@ buildGoModule rec {
 
   subPackages = [ "cmd/boulder" ];
 
+  excludedPackages = [ "test/integration" ];
+
   ldflags = [
     "-s"
     "-w"
@@ -42,10 +43,12 @@ buildGoModule rec {
   ];
 
   preBuild = ''
-    ldflags+=" -X \"github.com/letsencrypt/boulder/core.BuildID=${version} +$(cat COMMIT)\""
+    ldflags+=" -X \"github.com/letsencrypt/boulder/core.BuildID=${finalAttrs.version} +$(cat COMMIT)\""
     ldflags+=" -X \"github.com/letsencrypt/boulder/core.BuildTime=$(date -u -d @0)\""
   '';
 
+  __darwinAllowLocalNetworking = true;
+
   nativeCheckInputs = [ minica ];
 
   preCheck = ''
@@ -109,6 +112,7 @@ buildGoModule rec {
     "TestCountPendingAuthorizations2"
     "TestCountRegistrationsByIP"
     "TestCountRegistrationsByIPRange"
+    "TestCreateAndFetchRegistrations"
     "TestDbSettings"
     "TestDeactivateAccount"
     "TestDeactivateAuthorization"
@@ -325,7 +329,7 @@ buildGoModule rec {
   ];
 
   checkFlags = [
-    "-skip ${lib.strings.concatStringsSep "|" disabledTests}"
+    "-skip ${lib.strings.concatStringsSep "|" finalAttrs.disabledTests}"
   ];
 
   postInstall = ''
@@ -336,8 +340,8 @@ buildGoModule rec {
 
   passthru = {
     tests.version = testers.testVersion {
-      package = boulder;
-      inherit version;
+      package = finalAttrs.finalPackage;
+      version = finalAttrs.version;
     };
     updateScript = nix-update-script { };
   };
@@ -354,6 +358,6 @@ buildGoModule rec {
     '';
     license = lib.licenses.mpl20;
     mainProgram = "boulder";
-    maintainers = [ ];
+    maintainers = with lib.maintainers; [ miniharinn ];
   };
-}
+})