diff --git a/config/package-lists/knel-football.list.chroot b/config/package-lists/knel-football.list.chroot
index dbe7bbf..f12ddd1 100644
--- a/config/package-lists/knel-football.list.chroot
+++ b/config/package-lists/knel-football.list.chroot
@@ -9,7 +9,7 @@ grub-efi-amd64-signed
 grub-efi-amd64-bin
 efibootmgr
 efitools
-sbsigntools
+sbsigntool
 systemd-boot
 systemd-boot-efi
 binutils
diff --git a/docs/PRD.md b/docs/PRD.md
index 75a7967..80e0243 100644
--- a/docs/PRD.md
+++ b/docs/PRD.md
@@ -386,7 +386,7 @@ The system MUST implement UEFI Secure Boot with a Unified Kernel Image (UKI) to
 **Implementation:**
 - Key generation during ISO build
 - UKI creation with systemd-boot
-- Signature with sbsigntools
+- Signature with sbsigntool
 - Key storage on ISO for user enrollment
 
 **Security Properties:**
diff --git a/docs/TEST-COVERAGE.md b/docs/TEST-COVERAGE.md
index 0d28d28..9d7e1c0 100644
--- a/docs/TEST-COVERAGE.md
+++ b/docs/TEST-COVERAGE.md
@@ -216,7 +216,7 @@
 
 **Package Requirements**:
 - efitools in package list
-- sbsigntools in package list
+- sbsigntool in package list
 - systemd-boot in package list
 - binutils in package list
 
diff --git a/tests/unit/secureboot_test.bats b/tests/unit/secureboot_test.bats
index f261b75..42a2afb 100644
--- a/tests/unit/secureboot_test.bats
+++ b/tests/unit/secureboot_test.bats
@@ -247,8 +247,8 @@
     grep -q "efitools" /workspace/config/package-lists/knel-football.list.chroot
 }
 
-@test "package list includes sbsigntools" {
-    grep -q "sbsigntools" /workspace/config/package-lists/knel-football.list.chroot
+@test "package list includes sbsigntool" {
+    grep -q "sbsigntool" /workspace/config/package-lists/knel-football.list.chroot
 }
 
 @test "package list includes systemd-boot" {