diff --git a/bin/verilator b/bin/verilator
index f6a8e7ad6..bc2d99623 100755
--- a/bin/verilator
+++ b/bin/verilator
@@ -26,6 +26,7 @@ BEGIN {
 
 use Getopt::Long;
 use FindBin qw($RealBin $RealScript);
+use IO::File;
 use Pod::Usage;
 
 use strict;
diff --git a/bin/verilator_coverage b/bin/verilator_coverage
index c9aa7409f..33bce7cf1 100755
--- a/bin/verilator_coverage
+++ b/bin/verilator_coverage
@@ -26,6 +26,7 @@ BEGIN {
 
 use Getopt::Long;
 use FindBin qw($RealBin $RealScript);
+use IO::File;
 use Pod::Usage;
 use Cwd qw(abs_path getcwd);