diff --git a/gnu/packages/linux.scm b/gnu/packages/linux.scm
index ffc5e9736e..b2f43bb1f7 100644
--- a/gnu/packages/linux.scm
+++ b/gnu/packages/linux.scm
@@ -2559,7 +2559,7 @@ compliance.")
 (define-public wireless-regdb
   (package
     (name "wireless-regdb")
-    (version "2017.03.07")
+    (version "2019.06.03")
     (source (origin
               (method url-fetch)
               (uri (string-append
@@ -2567,7 +2567,7 @@ compliance.")
                     "wireless-regdb-" version ".tar.xz"))
               (sha256
                (base32
-                "1f9mcp78sdd4sci6v32vxfcl1rfjpv205jisz1p93kkfnaisy7ip"))
+                "1gslvh0aqdkv48jyr2ddq153mw28i7qz2ybrjj9qvkk3dgc7x4fd"))
 
               ;; We're building 'regulatory.bin' by ourselves.
               (snippet '(begin
@@ -2575,13 +2575,25 @@ compliance.")
                           #t))))
     (build-system gnu-build-system)
     (arguments
-     '(#:phases (modify-phases %standard-phases
-                  (add-after 'unpack 'gzip-determinism
-                    (lambda _
-                      (substitute* "Makefile"
-                        (("gzip") "gzip --no-name"))
-                      #t))
-                  (delete 'configure))
+     '(#:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'gzip-determinism
+           (lambda _
+             (substitute* "Makefile"
+               (("gzip") "gzip --no-name"))
+             #t))
+         (add-after 'unpack 'omit-signature
+           (lambda _
+             (substitute* "Makefile"
+               ;; Signing requires a REGDB_PUBCERT and REGDB_PRIVKEY which we
+               ;; don't provide (see below).  Disable it.
+               ((" regulatory\\.db\\.p7s") "")
+               ;; regulatory.db is built as a dependency of regulatory.db.p7s,
+               ;; but ‘make install’ depends only on the latter while installing
+               ;; both (and failing).  Depend on it explicitly.
+               (("^install: " all) (string-append all "regulatory.db ")))
+             #t))
+         (delete 'configure))  ; no configure script
 
        ;; The 'all' target of the makefile depends on $(REGDB_CHANGED), which
        ;; is computed and can be equal to 'maintainer-clean'; when that
@@ -2589,19 +2601,22 @@ compliance.")
        ;; just built.  Thus, build things sequentially.
        #:parallel-build? #f
 
-       #:tests? #f                                ;no tests
-       #:make-flags (let ((out (assoc-ref %outputs "out")))
-                      (list (string-append "PREFIX=" out)
-                            (string-append "LSB_ID=Guix")
-                            (string-append "DISTRO_PUBKEY=/dev/null")
-                            (string-append "DISTRO_PRIVKEY=/dev/null")
-                            (string-append "REGDB_PUBKEY=/dev/null")
+       #:tests? #f                      ; no tests
+       #:make-flags
+       (let ((out (assoc-ref %outputs "out")))
+         (list (string-append "PREFIX=" out)
+               (string-append "FIRMWARE_PATH=$(PREFIX)/lib/firmware")
 
-                            ;; Leave that empty so that db2bin.py doesn't try
-                            ;; to sign 'regulatory.bin'.  This allows us to
-                            ;; avoid managing a key pair for the whole distro.
-                            (string-append "REGDB_PRIVKEY=")))))
-    (native-inputs `(("python" ,python-2)))
+               ;; Leave this empty so that db2bin.py doesn't try to sign
+               ;; ‘regulatory.bin’.  This allows us to avoid managing a key
+               ;; pair for the whole distribution.
+               (string-append "REGDB_PRIVKEY=")
+               ;; Don't generate a public key for the same reason.  These are
+               ;; used as Makefile targets and can't be the empty string.
+               (string-append "REGDB_PUBCERT=/dev/null")
+               (string-append "REGDB_PUBKEY=/dev/null")))))
+    (native-inputs
+     `(("python" ,python-wrapper)))
     (home-page
      "https://wireless.wiki.kernel.org/en/developers/regulatory/wireless-regdb")
     (synopsis "Wireless regulatory database")