diff --git a/dirmngr/crlcache.c b/dirmngr/crlcache.c
--- a/dirmngr/crlcache.c
+++ b/dirmngr/crlcache.c
@@ -1250,13 +1250,15 @@
 }
 
 
-/* Delete the cache from disk. Return 0 on success.*/
+/* Delete the cache from disk and memory. Return 0 on success.*/
 int
 crl_cache_flush (void)
 {
   int rc;
 
+  crl_cache_deinit ();
   rc = cleanup_cache_dir (0)? -1 : 0;
+  crl_cache_init ();
 
   return rc;
 }
diff --git a/dirmngr/server.c b/dirmngr/server.c
--- a/dirmngr/server.c
+++ b/dirmngr/server.c
@@ -2689,6 +2689,20 @@
 }
 
 
+static const char hlp_flushcrls[] =
+  "FLUSHCRLS\n"
+  "\n"
+  "Remove all cached CRLs from memory and\n"
+  "the file system.";
+static gpg_error_t
+cmd_flushcrls (assuan_context_t ctx, char *line)
+{
+  (void)line;
+
+  return leave_cmd (ctx, crl_cache_flush () ? GPG_ERR_GENERAL : 0);
+}
+
+
 
 /* Tell the assuan library about our commands. */
 static int
@@ -2719,6 +2733,7 @@
     { "LOADSWDB",   cmd_loadswdb,   hlp_loadswdb },
     { "KILLDIRMNGR",cmd_killdirmngr,hlp_killdirmngr },
     { "RELOADDIRMNGR",cmd_reloaddirmngr,hlp_reloaddirmngr },
+    { "FLUSHCRLS",  cmd_flushcrls,  hlp_flushcrls },
     { NULL, NULL }
   };
   int i, j, rc;