diff --git a/src/engines/ruby/2.7/Dockerfile.centos b/src/engines/ruby/2.7/Dockerfile.centos
index 7ae38bb..331b5ab 100644
--- a/src/engines/ruby/2.7/Dockerfile.centos
+++ b/src/engines/ruby/2.7/Dockerfile.centos
@@ -45,7 +45,7 @@ install: --no-document
 update: --no-document
 GEMRC
 
-ENV LANG="C.UTF-8"                                                                          \
+ENV LANG="en_US.UTF-8"                                                                      \
     RUBY_MAJOR="2.7"                                                                        \
     RUBY_VERSION="2.7.8"                                                                    \
     RUBY_DOWNLOAD_SHA256="f22f662da504d49ce2080e446e4bea7008cee11d5ec4858fc69000d0e5b1d7fb"
diff --git a/src/engines/ruby/3.0/Dockerfile.centos b/src/engines/ruby/3.0/Dockerfile.centos
index b4628f5..f429730 100644
--- a/src/engines/ruby/3.0/Dockerfile.centos
+++ b/src/engines/ruby/3.0/Dockerfile.centos
@@ -45,7 +45,7 @@ install: --no-document
 update: --no-document
 GEMRC
 
-ENV LANG="C.UTF-8"                                                                          \
+ENV LANG="en_US.UTF-8"                                                                      \
     RUBY_MAJOR="3.0"                                                                        \
     RUBY_VERSION="3.0.6"                                                                    \
     RUBY_DOWNLOAD_SHA256="b5cbee93e62d85cfb2a408c49fa30a74231ae8409c2b3858e5f5ea254d7ddbd1"
diff --git a/src/engines/ruby/3.1/Dockerfile.centos b/src/engines/ruby/3.1/Dockerfile.centos
index ebc2909..58e00b0 100644
--- a/src/engines/ruby/3.1/Dockerfile.centos
+++ b/src/engines/ruby/3.1/Dockerfile.centos
@@ -45,7 +45,7 @@ install: --no-document
 update: --no-document
 GEMRC
 
-ENV LANG="C.UTF-8"                                                                          \
+ENV LANG="en_US.UTF-8"                                                                      \
     RUBY_MAJOR="3.1"                                                                        \
     RUBY_VERSION="3.1.4"                                                                    \
     RUBY_DOWNLOAD_SHA256="1b6d6010e76036c937b9671f4752f065aeca800a6c664f71f6c9a699453af94f"
diff --git a/src/engines/ruby/3.2/Dockerfile.centos b/src/engines/ruby/3.2/Dockerfile.centos
index ab56699..45867de 100644
--- a/src/engines/ruby/3.2/Dockerfile.centos
+++ b/src/engines/ruby/3.2/Dockerfile.centos
@@ -45,7 +45,7 @@ install: --no-document
 update: --no-document
 GEMRC
 
-ENV LANG="C.UTF-8"                                                                          \
+ENV LANG="en_US.UTF-8"                                                                      \
     RUBY_MAJOR="3.2"                                                                        \
     RUBY_VERSION="3.2.2"                                                                    \
     RUBY_DOWNLOAD_SHA256="4b352d0f7ec384e332e3e44cdbfdcd5ff2d594af3c8296b5636c710975149e23"
diff --git a/src/engines/ruby/3.3/Dockerfile.centos b/src/engines/ruby/3.3/Dockerfile.centos
index 5fd1e88..7a593cc 100644
--- a/src/engines/ruby/3.3/Dockerfile.centos
+++ b/src/engines/ruby/3.3/Dockerfile.centos
@@ -45,7 +45,7 @@ install: --no-document
 update: --no-document
 GEMRC
 
-ENV LANG="C.UTF-8"                                                                          \
+ENV LANG="en_US.UTF-8"                                                                      \
     RUBY_MAJOR="3.3"                                                                        \
     RUBY_VERSION="3.3.6"                                                                    \
     RUBY_DOWNLOAD_SHA256="540975969d1af42190d26ff629bc93b1c3f4bffff4ab253e245e125085e66266"
diff --git a/src/engines/ruby/3.4/Dockerfile.centos b/src/engines/ruby/3.4/Dockerfile.centos
index 51ac375..cf4f9c8 100644
--- a/src/engines/ruby/3.4/Dockerfile.centos
+++ b/src/engines/ruby/3.4/Dockerfile.centos
@@ -45,9 +45,9 @@ install: --no-document
 update: --no-document
 GEMRC
 
-ENV LANG="C.UTF-8"                                                                          \
+ENV LANG="en_US.UTF-8"                                                                      \
     RUBY_MAJOR="3.4"                                                                        \
-    RUBY_VERSION="3.4.0-preview2"                                                                    \
+    RUBY_VERSION="3.4.0-preview2"                                                           \
     RUBY_DOWNLOAD_SHA256="626bf4fe952323c15ec9a8999f470ec136ef91c0fc34c484646aaaa9a0b62ca7"
 
 # - Compile Ruby with `--disable-shared`