diff --git a/hakone_wordcloud/Pipfile.lock b/hakone_wordcloud/Pipfile.lock
index a2afaa5..551c478 100644
--- a/hakone_wordcloud/Pipfile.lock
+++ b/hakone_wordcloud/Pipfile.lock
@@ -18,52 +18,85 @@
     "default": {
         "cycler": {
             "hashes": [
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-                "sha256:cd7b2d1018258d7247a71425e9f26463dfb444d411c39569972f4ce586b0c9d8"
+                "sha256:3a27e95f763a428a739d2add979fa7494c912a32c17c4c38c4d5f082cad165a3",
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             ],
-            "version": "==0.10.0"
+            "markers": "python_version >= '3.6'",
+            "version": "==0.11.0"
         },
         "kiwisolver": {
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-            "version": "==1.1.0"
+            "markers": "python_version >= '3.7'",
+            "version": "==1.4.4"
         },
         "matplotlib": {
             "hashes": [
@@ -113,52 +146,94 @@
         },
         "pillow": {
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