diff --git a/meta-arm/conf/machine/qemuarm-secureboot.conf b/meta-arm/conf/machine/qemuarm-secureboot.conf
index f08b84fe..db02dc68 100644
--- a/meta-arm/conf/machine/qemuarm-secureboot.conf
+++ b/meta-arm/conf/machine/qemuarm-secureboot.conf
@@ -21,3 +21,6 @@ WKS_FILE_DEPENDS = "trusted-firmware-a"
 IMAGE_BOOT_FILES = "${KERNEL_IMAGETYPE}"
 
 MACHINE_FEATURES += "optee-ftpm"
+
+PREFERRED_VERSION_optee-os ?= "3.18.%"
+
diff --git a/meta-arm/conf/machine/qemuarm64-secureboot.conf b/meta-arm/conf/machine/qemuarm64-secureboot.conf
index 55c4cab4..7277817d 100644
--- a/meta-arm/conf/machine/qemuarm64-secureboot.conf
+++ b/meta-arm/conf/machine/qemuarm64-secureboot.conf
@@ -23,3 +23,6 @@ WKS_FILE_DEPENDS = "trusted-firmware-a"
 IMAGE_BOOT_FILES = "${KERNEL_IMAGETYPE}"
 
 MACHINE_FEATURES += "optee-ftpm"
+
+PREFERRED_VERSION_optee-os ?= "3.18.%"
+