diff --git a/collect_splatoon_data/Pipfile b/collect_splatoon_data/Pipfile
index 04aa1c4..96ad0c8 100644
--- a/collect_splatoon_data/Pipfile
+++ b/collect_splatoon_data/Pipfile
@@ -4,7 +4,7 @@ verify_ssl = true
 name = "pypi"
 
 [packages]
-certifi = "==2018.1.18"
+certifi = "==2022.12.7"
 chardet = "==3.0.4"
 idna = "==2.6"
 "progressbar2" = "==3.37.1"
diff --git a/collect_splatoon_data/Pipfile.lock b/collect_splatoon_data/Pipfile.lock
index 616f02e..e0ffeb8 100644
--- a/collect_splatoon_data/Pipfile.lock
+++ b/collect_splatoon_data/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "9f072738d3c6accd3c83f3cd2930e10ce2dc815c3aaea8db089706dabd4688ac"
+            "sha256": "3fc202c9e459a2e385c928c4aded542de78b26c629d10d447c3c0700df7b1594"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -18,11 +18,11 @@
     "default": {
         "certifi": {
             "hashes": [
-                "sha256:14131608ad2fd56836d33a71ee60fa1c82bc9d2c8d98b7bdbc631fe1b3cd1296",
-                "sha256:edbc3f203427eef571f79a7692bb160a2b0f7ccaa31953e99bd17e307cf63f7d"
+                "sha256:35824b4c3a97115964b408844d64aa14db1cc518f6562e8d7261699d1350a9e3",
+                "sha256:4ad3232f5e926d6718ec31cfc1fcadfde020920e278684144551c91769c7bc18"
             ],
             "index": "pypi",
-            "version": "==2018.1.18"
+            "version": "==2022.12.7"
         },
         "chardet": {
             "hashes": [