diff --git a/var/spack/repos/builtin/packages/hipblaslt/package.py b/var/spack/repos/builtin/packages/hipblaslt/package.py
index d4f960273bc..9ea8444e5fd 100644
--- a/var/spack/repos/builtin/packages/hipblaslt/package.py
+++ b/var/spack/repos/builtin/packages/hipblaslt/package.py
@@ -26,7 +26,8 @@ class Hipblaslt(CMakePackage):
     version("6.0.2", sha256="e281a1a7760fab8c3e0baafe17950cf43c422184e3226e3c14eb06e50c69d421")
     version("6.0.0", sha256="6451b6fdf7f24787628190bbe8f2208c929546b68b692d8355d2f18bea7ca7db")
 
-    depends_on("cxx", type="build")  # generated
+    depends_on("c", type="build")
+    depends_on("cxx", type="build")
 
     amdgpu_targets = ROCmPackage.amdgpu_targets
 
diff --git a/var/spack/repos/builtin/packages/rocthrust/package.py b/var/spack/repos/builtin/packages/rocthrust/package.py
index 50ac51638d8..e99b0357d72 100644
--- a/var/spack/repos/builtin/packages/rocthrust/package.py
+++ b/var/spack/repos/builtin/packages/rocthrust/package.py
@@ -38,7 +38,8 @@ class Rocthrust(CMakePackage):
         version("5.3.3", sha256="0c2fc8d437efaf5c4c859d97adb049d4025025d0be0e0908f59a8112508234e5")
         version("5.3.0", sha256="0e11b12f208d2751e3e507e3a32403c9bd45da4e191671d765d33abd727d9b96")
 
-    depends_on("cxx", type="build")  # generated
+    depends_on("c", type="build")
+    depends_on("cxx", type="build")
 
     amdgpu_targets = ROCmPackage.amdgpu_targets