diff --git a/gnu/packages/linux.scm b/gnu/packages/linux.scm
index 6921563856..858f0885c0 100644
--- a/gnu/packages/linux.scm
+++ b/gnu/packages/linux.scm
@@ -3883,7 +3883,7 @@ under OpenGL graphics workloads.")
 (define-public efivar
   (package
     (name "efivar")
-    (version "30")
+    (version "34")
     (source (origin
               (method url-fetch)
               (uri (string-append "https://github.com/rhinstaller/" name
@@ -3891,13 +3891,14 @@ under OpenGL graphics workloads.")
                                   "-" version ".tar.bz2"))
               (sha256
                (base32
-                "12qjnm44yi55ffqxjpgrxy82s89yjziy84w2rfjjknsd8flj0mqz"))))
+                "09a31y6sl3b33myy42gl9k732k1f440ycd07l6ac5d5l53kk8zhv"))))
     (build-system gnu-build-system)
     (arguments
      `(;; Tests require a UEFI system and is not detected in the chroot.
        #:tests? #f
        #:make-flags (list (string-append "prefix=" %output)
                           (string-append "libdir=" %output "/lib")
+                          "CC_FOR_BUILD=gcc"
                           (string-append "LDFLAGS=-Wl,-rpath=" %output "/lib"))
        #:phases
        (modify-phases %standard-phases