diff --git a/requirements.txt b/requirements.txt
index 124cd29e6..712b902fa 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,7 +33,7 @@ ptyprocess==0.6.0
 py==1.8.0
 pycodestyle==2.5.0
 pycparser==2.20
-pygit2==1.2.0
+pygit2==1.5.0
 Pygments==2.6.1
 pyparsing==2.4.5
 pytest==5.3.2
@@ -43,7 +43,7 @@ pytest-django==3.7.0
 pytest-mock==1.13.0
 python-dateutil==2.8.1
 pytz==2019.3
-schema==0.7.1
+schema==0.7.4
 six==1.13.0
 soupsieve==1.9.5
 sqlparse==0.3.0
diff --git a/vulnerabilities/importers/alpine_linux.py b/vulnerabilities/importers/alpine_linux.py
index a3855303f..ba3babb63 100644
--- a/vulnerabilities/importers/alpine_linux.py
+++ b/vulnerabilities/importers/alpine_linux.py
@@ -20,6 +20,7 @@
 #  for any legal advice.
 #  VulnerableCode is a free software code scanning tool from nexB Inc. and others.
 #  Visit https://github.com/nexB/vulnerablecode/ for support and download.
+from re import IGNORECASE
 from typing import Any
 from typing import Iterable
 from typing import List
@@ -54,7 +55,7 @@ def validate_schema(advisory_dict):
                         str: Or(
                             [
                                 Or(
-                                    Regex(r"CVE.\d+-\d+"),
+                                    Regex(r"CVE.\d+-\d+", flags=IGNORECASE),
                                     Regex(r"XSA-\d{3}"),
                                     Regex(r"ZBX-\d{4}"),
                                     Regex(r"wnpa-sec-\d{4}-\d{2}"),
@@ -187,7 +188,7 @@ def _load_advisories(
                         impacted_package_urls=[],
                         resolved_package_urls=resolved_purls,
                         vuln_references=references,
-                        cve_id=vuln_ids[0] if vuln_ids[0] != "CVE-????-?????" else None,
+                        cve_id=vuln_ids[0].upper() if vuln_ids[0] != "CVE-????-?????" else None,
                     )
                 )