diff --git a/judge/languages.py b/judge/languages.py
index 45eee2b9..1c629efc 100644
--- a/judge/languages.py
+++ b/judge/languages.py
@@ -24,7 +24,7 @@ int main() {
         "max_cpu_time": 3000,
         "max_real_time": 5000,
         "max_memory": 256 * 1024 * 1024,
-        "compile_command": "/usr/bin/gcc -DONLINE_JUDGE -O2 -w -fmax-errors=3 -std=c99 {src_path} -lm -o {exe_path}",
+        "compile_command": "/usr/bin/gcc -DONLINE_JUDGE -O2 -w -fmax-errors=3 -std=c11 {src_path} -lm -o {exe_path}",
     },
     "run": {
         "command": "{exe_path}",
@@ -38,7 +38,7 @@ _c_lang_spj_compile = {
     "max_cpu_time": 3000,
     "max_real_time": 5000,
     "max_memory": 1024 * 1024 * 1024,
-    "compile_command": "/usr/bin/gcc -DONLINE_JUDGE -O2 -w -fmax-errors=3 -std=c99 {src_path} -lm -o {exe_path}"
+    "compile_command": "/usr/bin/gcc -DONLINE_JUDGE -O2 -w -fmax-errors=3 -std=c11 {src_path} -lm -o {exe_path}"
 }
 
 _c_lang_spj_config = {
@@ -71,7 +71,7 @@ int main() {
         "max_cpu_time": 3000,
         "max_real_time": 5000,
         "max_memory": 512 * 1024 * 1024,
-        "compile_command": "/usr/bin/g++ -DONLINE_JUDGE -O2 -w -fmax-errors=3 -std=c++11 {src_path} -lm -o {exe_path}",
+        "compile_command": "/usr/bin/g++ -DONLINE_JUDGE -O2 -w -fmax-errors=3 -std=c++14 {src_path} -lm -o {exe_path}",
     },
     "run": {
         "command": "{exe_path}",
@@ -85,7 +85,7 @@ _cpp_lang_spj_compile = {
     "max_cpu_time": 3000,
     "max_real_time": 5000,
     "max_memory": 1024 * 1024 * 1024,
-    "compile_command": "/usr/bin/g++ -DONLINE_JUDGE -O2 -w -fmax-errors=3 -std=c++11 {src_path} -lm -o {exe_path}"
+    "compile_command": "/usr/bin/g++ -DONLINE_JUDGE -O2 -w -fmax-errors=3 -std=c++14 {src_path} -lm -o {exe_path}"
 }
 
 _cpp_lang_spj_config = {
@@ -168,12 +168,12 @@ _py3_lang_config = {
 
 languages = [
     {"config": _c_lang_config, "spj": {"compile": _c_lang_spj_compile, "config": _c_lang_spj_config},
-     "name": "C", "description": "GCC 4.8", "content_type": "text/x-csrc"},
+     "name": "C", "description": "GCC 5.4", "content_type": "text/x-csrc"},
     {"config": _cpp_lang_config, "spj": {"compile": _cpp_lang_spj_compile, "config": _cpp_lang_spj_config},
-     "name": "C++", "description": "G++ 4.8", "content_type": "text/x-c++src"},
+     "name": "C++", "description": "G++ 5.4", "content_type": "text/x-c++src"},
     {"config": _java_lang_config, "name": "Java", "description": "OpenJDK 1.7", "content_type": "text/x-java"},
     {"config": _py2_lang_config, "name": "Python2", "description": "Python 2.7", "content_type": "text/x-python"},
-    {"config": _py3_lang_config, "name": "Python3", "description": "Python 3", "content_type": "text/x-python"},
+    {"config": _py3_lang_config, "name": "Python3", "description": "Python 3.5", "content_type": "text/x-python"},
 ]
 
 spj_languages = list(filter(lambda item: "spj" in item, languages))