diff --git a/updater/fetchers/debian/debian.go b/updater/fetchers/debian/debian.go
index e21bd3f216..356613eb73 100644
--- a/updater/fetchers/debian/debian.go
+++ b/updater/fetchers/debian/debian.go
@@ -69,6 +69,7 @@ func (fetcher *DebianFetcher) FetchUpdate(datastore database.Datastore) (resp up
 		log.Errorf("could not download Debian's update: %s", err)
 		return resp, cerrors.ErrCouldNotDownload
 	}
+	defer r.Body.Close()
 
 	// Get the SHA-1 of the latest update's JSON data
 	latestHash, err := datastore.GetKeyValue(updaterFlag)
diff --git a/updater/fetchers/debian/debian_test.go b/updater/fetchers/debian/debian_test.go
index 42e81d3c3f..0719ccdc39 100644
--- a/updater/fetchers/debian/debian_test.go
+++ b/updater/fetchers/debian/debian_test.go
@@ -30,6 +30,7 @@ func TestDebianParser(t *testing.T) {
 
 	// Test parsing testdata/fetcher_debian_test.json
 	testFile, _ := os.Open(path.Join(path.Dir(filename)) + "/testdata/fetcher_debian_test.json")
+	defer testFile.Close()
 	response, err := buildResponse(testFile, "")
 	if assert.Nil(t, err) && assert.Len(t, response.Vulnerabilities, 3) {
 		for _, vulnerability := range response.Vulnerabilities {
diff --git a/updater/fetchers/rhel/rhel.go b/updater/fetchers/rhel/rhel.go
index de4072d12a..895bb0bc18 100644
--- a/updater/fetchers/rhel/rhel.go
+++ b/updater/fetchers/rhel/rhel.go
@@ -107,6 +107,7 @@ func (f *RHELFetcher) FetchUpdate(datastore database.Datastore) (resp updater.Fe
 		log.Errorf("could not download RHEL's update list: %s", err)
 		return resp, cerrors.ErrCouldNotDownload
 	}
+	defer r.Body.Close()
 
 	// Get the list of RHSAs that we have to process.
 	var rhsaList []int
@@ -129,6 +130,7 @@ func (f *RHELFetcher) FetchUpdate(datastore database.Datastore) (resp updater.Fe
 			log.Errorf("could not download RHEL's update file: %s", err)
 			return resp, cerrors.ErrCouldNotDownload
 		}
+		defer r.Body.Close()
 
 		// Parse the XML.
 		vs, err := parseRHSA(r.Body)
diff --git a/updater/fetchers/rhel/rhel_test.go b/updater/fetchers/rhel/rhel_test.go
index 90998c78f2..f764ecdcfd 100644
--- a/updater/fetchers/rhel/rhel_test.go
+++ b/updater/fetchers/rhel/rhel_test.go
@@ -32,6 +32,7 @@ func TestRHELParser(t *testing.T) {
 	// Test parsing testdata/fetcher_rhel_test.1.xml
 	testFile, _ := os.Open(path + "/testdata/fetcher_rhel_test.1.xml")
 	vulnerabilities, err := parseRHSA(testFile)
+	testFile.Close()
 	if assert.Nil(t, err) && assert.Len(t, vulnerabilities, 1) {
 		assert.Equal(t, "RHSA-2015:1193", vulnerabilities[0].Name)
 		assert.Equal(t, "https://rhn.redhat.com/errata/RHSA-2015-1193.html", vulnerabilities[0].Link)
@@ -70,6 +71,7 @@ func TestRHELParser(t *testing.T) {
 	// Test parsing testdata/fetcher_rhel_test.2.xml
 	testFile, _ = os.Open(path + "/testdata/fetcher_rhel_test.2.xml")
 	vulnerabilities, err = parseRHSA(testFile)
+	testFile.Close()
 	if assert.Nil(t, err) && assert.Len(t, vulnerabilities, 1) {
 		assert.Equal(t, "RHSA-2015:1207", vulnerabilities[0].Name)
 		assert.Equal(t, "https://rhn.redhat.com/errata/RHSA-2015-1207.html", vulnerabilities[0].Link)