diff --git a/.idea/libraries/Gradle__commons_codec_commons_codec_1_9.xml b/.idea/libraries/Gradle__commons_codec_commons_codec_1_9.xml
deleted file mode 100644
index c3c3ec6..0000000
--- a/.idea/libraries/Gradle__commons_codec_commons_codec_1_9.xml
+++ /dev/null
@@ -1,11 +0,0 @@
-<component name="libraryTable">
-  <library name="Gradle: commons-codec:commons-codec:1.9">
-    <CLASSES>
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/commons-codec/commons-codec/1.9/9ce04e34240f674bc72680f8b843b1457383161a/commons-codec-1.9.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/commons-codec/commons-codec/1.9/3f15fff45d57656685abfee9e8302bf14580044c/commons-codec-1.9-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/Gradle__org_apache_httpcomponents_httpclient_4_5.xml b/.idea/libraries/Gradle__org_apache_httpcomponents_httpclient_4_5.xml
deleted file mode 100644
index 51ae3cb..0000000
--- a/.idea/libraries/Gradle__org_apache_httpcomponents_httpclient_4_5.xml
+++ /dev/null
@@ -1,11 +0,0 @@
-<component name="libraryTable">
-  <library name="Gradle: org.apache.httpcomponents:httpclient:4.5">
-    <CLASSES>
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.apache.httpcomponents/httpclient/4.5/a1e6cbb3cc2c5f210dd1310ff9fcb2c09c0d1438/httpclient-4.5.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.apache.httpcomponents/httpclient/4.5/c9504d3448744739d334bde12bfbc91fd7f85115/httpclient-4.5-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/Gradle__org_apache_httpcomponents_httpcore_4_4_1.xml b/.idea/libraries/Gradle__org_apache_httpcomponents_httpcore_4_4_1.xml
deleted file mode 100644
index 03adb01..0000000
--- a/.idea/libraries/Gradle__org_apache_httpcomponents_httpcore_4_4_1.xml
+++ /dev/null
@@ -1,11 +0,0 @@
-<component name="libraryTable">
-  <library name="Gradle: org.apache.httpcomponents:httpcore:4.4.1">
-    <CLASSES>
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.apache.httpcomponents/httpcore/4.4.1/f5aa318bda4c6c8d688c9d00b90681dcd82ce636/httpcore-4.4.1.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.apache.httpcomponents/httpcore/4.4.1/9700be0d0a331691654a8e901943c9a74e33c5fc/httpcore-4.4.1-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/build.gradle b/build.gradle
index 97570f8..9c9646d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -31,7 +31,7 @@ repositories {
 dependencies {
     compile 'oauth.signpost:signpost-core:1.2.1.2'
     compile 'oauth.signpost:signpost-commonshttp4:1.2.1.2'
-    compile 'org.apache.httpcomponents:httpclient:4.5'
+    compile 'org.apache.httpcomponents:httpclient:4.5.12'
     compile 'org.json:json:20160810'
     compile fileTree(dir: 'lib', include: '*.jar')
     compile 'org.slf4j:slf4j-api:1.7.25'