diff --git a/src/microsoft/compiler/nir_to_dxil.c b/src/microsoft/compiler/nir_to_dxil.c
index 17634e679cf..611b602a3c7 100644
--- a/src/microsoft/compiler/nir_to_dxil.c
+++ b/src/microsoft/compiler/nir_to_dxil.c
@@ -5928,7 +5928,7 @@ type_size_vec4(const struct glsl_type *type, bool bindless)
 static const unsigned dxil_validator_min_capable_version = DXIL_VALIDATOR_1_4;
 static const unsigned dxil_validator_max_capable_version = DXIL_VALIDATOR_1_7;
 static const unsigned dxil_min_shader_model = SHADER_MODEL_6_1;
-static const unsigned dxil_max_shader_model = SHADER_MODEL_6_5;
+static const unsigned dxil_max_shader_model = SHADER_MODEL_6_6;
 
 bool
 nir_to_dxil(struct nir_shader *s, const struct nir_to_dxil_options *opts,
diff --git a/src/microsoft/compiler/nir_to_dxil.h b/src/microsoft/compiler/nir_to_dxil.h
index 80a593e239b..74842ab47c8 100644
--- a/src/microsoft/compiler/nir_to_dxil.h
+++ b/src/microsoft/compiler/nir_to_dxil.h
@@ -88,6 +88,7 @@ enum dxil_shader_model {
    SHADER_MODEL_6_3,
    SHADER_MODEL_6_4,
    SHADER_MODEL_6_5,
+   SHADER_MODEL_6_6,
 };
 
 struct nir_to_dxil_options {