diff --git a/gnu/packages/libevent.scm b/gnu/packages/libevent.scm
index 680db44707..176e66cf42 100644
--- a/gnu/packages/libevent.scm
+++ b/gnu/packages/libevent.scm
@@ -26,7 +26,7 @@
 
 (define-module (gnu packages libevent)
   #:use-module (gnu packages)
-  #:use-module (guix licenses)
+  #:use-module ((guix licenses) #:prefix license:)
   #:use-module (guix packages)
   #:use-module (guix download)
   #:use-module (guix git-download)
@@ -74,7 +74,7 @@ (define-public libevent
 network servers.  An application just needs to call event_dispatch() and
 then add or remove events dynamically without having to change the event
 loop.")
-    (license bsd-3)))
+    (license license:bsd-3)))
 
 (define-public libevent-with-openssl
   (package/inherit libevent
@@ -108,8 +108,7 @@ (define-public libev
 with customized rescheduling, synchronous signals, process status change
 events, event watchers dealing with the event loop itself, file watchers, and
 limited support for fork events.")
-    (license
-     (list bsd-2 gpl2+))))
+    (license (list license:bsd-2 license:gpl2+))))
 
 (define-public libuv
   (package
@@ -140,7 +139,7 @@ (define-public libuv
 
     ;; A few files fall under other non-copyleft licenses; see 'LICENSE' for
     ;; details.  Documentation is CC-BY 4.0 as of 1.12.0; see 'LICENSE-docs'.
-    (license (list expat cc-by4.0))))
+    (license (list license:expat license:cc-by4.0))))
 
 (define-public libuv-for-node
   ;; When upgrading Node, also upgrade this. Get the version from
@@ -227,7 +226,7 @@ (define-public perl-anyevent
 @code{Event::Lib}, Irssi, @code{IO::Async} and POE (and thus also WxWidgets
 and Prima).  It also comes with a very fast Pure Perl event loop that does
 not rely on XS.")
-    (license perl-license)))
+    (license license:perl-license)))
 
 (define-public perl-ev
   (package
@@ -268,7 +267,7 @@ (define-public perl-ev
      "This module provides an interface to @code{libev}, a high performance
 full-featured event loop.  It can be used through the @code{AnyEvent} module
 and still be faster than other event loops currently supported in Perl.")
-    (license perl-license)))
+    (license license:perl-license)))
 
 (define-public perl-rpc-epc-service
   (package
@@ -295,4 +294,4 @@ (define-public perl-rpc-epc-service
     (synopsis "Asynchronous remote procedure stack")
     (description "RPC::EPC::Service enables to connect the other process with
 the S-expression protocol, like the Swank protocol of the SLIME.")
-    (license perl-license)))
+    (license license:perl-license)))