diff --git a/examples/v2/audience/Gemfile.lock b/examples/v2/audience/Gemfile.lock
index 9e0a8d20..a8c7abe8 100644
--- a/examples/v2/audience/Gemfile.lock
+++ b/examples/v2/audience/Gemfile.lock
@@ -2,7 +2,7 @@ GEM
   remote: https://rubygems.org/
   specs:
     base64 (0.3.0)
-    line-bot-api (2.8.3)
+    line-bot-api (2.10.0)
       base64 (~> 0.2)
       multipart-post (~> 2.4)
     multipart-post (2.4.1)
@@ -18,7 +18,7 @@ DEPENDENCIES
 CHECKSUMS
   base64 (0.3.0) sha256=27337aeabad6ffae05c265c450490628ef3ebd4b67be58257393227588f5a97b
   bundler (4.0.13) sha256=19f08be7f27022cf0b89f27da0b044ae075e8270a9ef44ad248a932614e1ca3b
-  line-bot-api (2.8.3) sha256=c695ea0413228e3a69b89b3df93431ba70dd255004b9214763172423acd5b740
+  line-bot-api (2.10.0) sha256=065e04a08d00cbf30f90db07749a119d808e344ce31f051e851a5a66ee17fa7f
   multipart-post (2.4.1) sha256=9872d03a8e552020ca096adadbf5e3cb1cd1cdd6acd3c161136b8a5737cdb4a8
 
 BUNDLED WITH
diff --git a/examples/v2/channel_access_token/Gemfile.lock b/examples/v2/channel_access_token/Gemfile.lock
index 9e0a8d20..a8c7abe8 100644
--- a/examples/v2/channel_access_token/Gemfile.lock
+++ b/examples/v2/channel_access_token/Gemfile.lock
@@ -2,7 +2,7 @@ GEM
   remote: https://rubygems.org/
   specs:
     base64 (0.3.0)
-    line-bot-api (2.8.3)
+    line-bot-api (2.10.0)
       base64 (~> 0.2)
       multipart-post (~> 2.4)
     multipart-post (2.4.1)
@@ -18,7 +18,7 @@ DEPENDENCIES
 CHECKSUMS
   base64 (0.3.0) sha256=27337aeabad6ffae05c265c450490628ef3ebd4b67be58257393227588f5a97b
   bundler (4.0.13) sha256=19f08be7f27022cf0b89f27da0b044ae075e8270a9ef44ad248a932614e1ca3b
-  line-bot-api (2.8.3) sha256=c695ea0413228e3a69b89b3df93431ba70dd255004b9214763172423acd5b740
+  line-bot-api (2.10.0) sha256=065e04a08d00cbf30f90db07749a119d808e344ce31f051e851a5a66ee17fa7f
   multipart-post (2.4.1) sha256=9872d03a8e552020ca096adadbf5e3cb1cd1cdd6acd3c161136b8a5737cdb4a8
 
 BUNDLED WITH
diff --git a/examples/v2/echobot/Gemfile.lock b/examples/v2/echobot/Gemfile.lock
index e8777de8..7ea6babf 100644
--- a/examples/v2/echobot/Gemfile.lock
+++ b/examples/v2/echobot/Gemfile.lock
@@ -2,7 +2,7 @@ GEM
   remote: https://rubygems.org/
   specs:
     base64 (0.3.0)
-    line-bot-api (2.8.3)
+    line-bot-api (2.10.0)
       base64 (~> 0.2)
       multipart-post (~> 2.4)
     logger (1.7.0)
@@ -44,7 +44,7 @@ DEPENDENCIES
 CHECKSUMS
   base64 (0.3.0) sha256=27337aeabad6ffae05c265c450490628ef3ebd4b67be58257393227588f5a97b
   bundler (4.0.13) sha256=19f08be7f27022cf0b89f27da0b044ae075e8270a9ef44ad248a932614e1ca3b
-  line-bot-api (2.8.3) sha256=c695ea0413228e3a69b89b3df93431ba70dd255004b9214763172423acd5b740
+  line-bot-api (2.10.0) sha256=065e04a08d00cbf30f90db07749a119d808e344ce31f051e851a5a66ee17fa7f
   logger (1.7.0) sha256=196edec7cc44b66cfb40f9755ce11b392f21f7967696af15d274dde7edff0203
   multipart-post (2.4.1) sha256=9872d03a8e552020ca096adadbf5e3cb1cd1cdd6acd3c161136b8a5737cdb4a8
   mustermann (3.1.1) sha256=4c6170c7234d5499c345562ba7c7dfe73e1754286dcc1abb053064d66a127198
diff --git a/examples/v2/kitchensink/Gemfile.lock b/examples/v2/kitchensink/Gemfile.lock
index e8777de8..7ea6babf 100644
--- a/examples/v2/kitchensink/Gemfile.lock
+++ b/examples/v2/kitchensink/Gemfile.lock
@@ -2,7 +2,7 @@ GEM
   remote: https://rubygems.org/
   specs:
     base64 (0.3.0)
-    line-bot-api (2.8.3)
+    line-bot-api (2.10.0)
       base64 (~> 0.2)
       multipart-post (~> 2.4)
     logger (1.7.0)
@@ -44,7 +44,7 @@ DEPENDENCIES
 CHECKSUMS
   base64 (0.3.0) sha256=27337aeabad6ffae05c265c450490628ef3ebd4b67be58257393227588f5a97b
   bundler (4.0.13) sha256=19f08be7f27022cf0b89f27da0b044ae075e8270a9ef44ad248a932614e1ca3b
-  line-bot-api (2.8.3) sha256=c695ea0413228e3a69b89b3df93431ba70dd255004b9214763172423acd5b740
+  line-bot-api (2.10.0) sha256=065e04a08d00cbf30f90db07749a119d808e344ce31f051e851a5a66ee17fa7f
   logger (1.7.0) sha256=196edec7cc44b66cfb40f9755ce11b392f21f7967696af15d274dde7edff0203
   multipart-post (2.4.1) sha256=9872d03a8e552020ca096adadbf5e3cb1cd1cdd6acd3c161136b8a5737cdb4a8
   mustermann (3.1.1) sha256=4c6170c7234d5499c345562ba7c7dfe73e1754286dcc1abb053064d66a127198
diff --git a/examples/v2/rich_menu/Gemfile.lock b/examples/v2/rich_menu/Gemfile.lock
index 9e0a8d20..a8c7abe8 100644
--- a/examples/v2/rich_menu/Gemfile.lock
+++ b/examples/v2/rich_menu/Gemfile.lock
@@ -2,7 +2,7 @@ GEM
   remote: https://rubygems.org/
   specs:
     base64 (0.3.0)
-    line-bot-api (2.8.3)
+    line-bot-api (2.10.0)
       base64 (~> 0.2)
       multipart-post (~> 2.4)
     multipart-post (2.4.1)
@@ -18,7 +18,7 @@ DEPENDENCIES
 CHECKSUMS
   base64 (0.3.0) sha256=27337aeabad6ffae05c265c450490628ef3ebd4b67be58257393227588f5a97b
   bundler (4.0.13) sha256=19f08be7f27022cf0b89f27da0b044ae075e8270a9ef44ad248a932614e1ca3b
-  line-bot-api (2.8.3) sha256=c695ea0413228e3a69b89b3df93431ba70dd255004b9214763172423acd5b740
+  line-bot-api (2.10.0) sha256=065e04a08d00cbf30f90db07749a119d808e344ce31f051e851a5a66ee17fa7f
   multipart-post (2.4.1) sha256=9872d03a8e552020ca096adadbf5e3cb1cd1cdd6acd3c161136b8a5737cdb4a8
 
 BUNDLED WITH