diff --git a/WORKSPACE b/WORKSPACE
index d0a6a3e55..d3caf1bf3 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -23,14 +23,14 @@ maven_jar(
 
 maven_jar(
     name = "httpclient",
-    artifact = "org.apache.httpcomponents:httpclient:4.3.6",
-    sha1 = "4c47155e3e6c9a41a28db36680b828ced53b8af4",
+    artifact = "org.apache.httpcomponents:httpclient:4.5.2",
+    sha1 = "733db77aa8d9b2d68015189df76ab06304406e50",
 )
 
 maven_jar(
     name = "httpcore",
-    artifact = "org.apache.httpcomponents:httpcore:4.3.3",
-    sha1 = "f91b7a4aadc5cf486df6e4634748d7dd7a73f06d",
+    artifact = "org.apache.httpcomponents:httpcore:4.4.6",
+    sha1 = "e3fd8ced1f52c7574af952e2e6da0df8df08eb82",
 )
 
 maven_jar(
diff --git a/org.eclipse.jgit.http.apache/pom.xml b/org.eclipse.jgit.http.apache/pom.xml
index 028eb6e62..c109c2a40 100644
--- a/org.eclipse.jgit.http.apache/pom.xml
+++ b/org.eclipse.jgit.http.apache/pom.xml
@@ -68,6 +68,14 @@
 			<artifactId>org.eclipse.jgit</artifactId>
 			<version>${project.version}</version>
 		</dependency>
+        <dependency>
+          <groupId>org.apache.httpcomponents</groupId>
+          <artifactId>httpclient</artifactId>
+        </dependency>
+        <dependency>
+          <groupId>org.apache.httpcomponents</groupId>
+          <artifactId>httpcore</artifactId>
+        </dependency>
 	</dependencies>
 
 	<build>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.5.target b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.5.target
index a072b651a..8352492b1 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.5.target
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.5.target
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde?>
 <!-- generated with https://github.com/mbarbero/fr.obeo.releng.targetplatform -->
-<target name="jgit-4.5" sequenceNumber="1511990822">
+<target name="jgit-4.5" sequenceNumber="1512295395">
   <locations>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.jetty.client" version="9.4.8.v20171121"/>
@@ -69,10 +69,10 @@
       <unit id="org.apache.commons.compress.source" version="1.6.0.v201310281400"/>
       <unit id="org.apache.commons.logging" version="1.1.1.v201101211721"/>
       <unit id="org.apache.commons.logging.source" version="1.1.1.v201101211721"/>
-      <unit id="org.apache.httpcomponents.httpcore" version="4.3.3.v201411290715"/>
-      <unit id="org.apache.httpcomponents.httpcore.source" version="4.3.3.v201411290715"/>
-      <unit id="org.apache.httpcomponents.httpclient" version="4.3.6.v201511171540"/>
-      <unit id="org.apache.httpcomponents.httpclient.source" version="4.3.6.v201511171540"/>
+      <unit id="org.apache.httpcomponents.httpcore" version="4.4.6.v20170210-0925"/>
+      <unit id="org.apache.httpcomponents.httpcore.source" version="4.4.6.v20170210-0925"/>
+      <unit id="org.apache.httpcomponents.httpclient" version="4.5.2.v20170210-0925"/>
+      <unit id="org.apache.httpcomponents.httpclient.source" version="4.5.2.v20170210-0925"/>
       <unit id="org.apache.log4j" version="1.2.15.v201012070815"/>
       <unit id="org.apache.log4j.source" version="1.2.15.v201012070815"/>
       <unit id="org.kohsuke.args4j" version="2.33.0.v20160323-2218"/>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.6.target b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.6.target
index e114579f4..f1d195927 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.6.target
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.6.target
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde?>
 <!-- generated with https://github.com/mbarbero/fr.obeo.releng.targetplatform -->
-<target name="jgit-4.6" sequenceNumber="1511990805">
+<target name="jgit-4.6" sequenceNumber="1512295275">
   <locations>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.jetty.client" version="9.4.8.v20171121"/>
@@ -31,10 +31,10 @@
       <unit id="org.apache.commons.compress.source" version="1.6.0.v201310281400"/>
       <unit id="org.apache.commons.logging" version="1.1.1.v201101211721"/>
       <unit id="org.apache.commons.logging.source" version="1.1.1.v201101211721"/>
-      <unit id="org.apache.httpcomponents.httpcore" version="4.3.3.v201411290715"/>
-      <unit id="org.apache.httpcomponents.httpcore.source" version="4.3.3.v201411290715"/>
-      <unit id="org.apache.httpcomponents.httpclient" version="4.3.6.v201511171540"/>
-      <unit id="org.apache.httpcomponents.httpclient.source" version="4.3.6.v201511171540"/>
+      <unit id="org.apache.httpcomponents.httpcore" version="4.4.6.v20170210-0925"/>
+      <unit id="org.apache.httpcomponents.httpcore.source" version="4.4.6.v20170210-0925"/>
+      <unit id="org.apache.httpcomponents.httpclient" version="4.5.2.v20170210-0925"/>
+      <unit id="org.apache.httpcomponents.httpclient.source" version="4.5.2.v20170210-0925"/>
       <unit id="org.apache.log4j" version="1.2.15.v201012070815"/>
       <unit id="org.apache.log4j.source" version="1.2.15.v201012070815"/>
       <unit id="org.kohsuke.args4j" version="2.33.0.v20160323-2218"/>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.7.target b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.7.target
index e9aad6f6e..da72b6c0d 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.7.target
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.7.target
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde?>
 <!-- generated with https://github.com/mbarbero/fr.obeo.releng.targetplatform -->
-<target name="jgit-4.7" sequenceNumber="1511990781">
+<target name="jgit-4.7" sequenceNumber="1512295255">
   <locations>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.jetty.client" version="9.4.8.v20171121"/>
@@ -31,10 +31,10 @@
       <unit id="org.apache.commons.compress.source" version="1.6.0.v201310281400"/>
       <unit id="org.apache.commons.logging" version="1.1.1.v201101211721"/>
       <unit id="org.apache.commons.logging.source" version="1.1.1.v201101211721"/>
-      <unit id="org.apache.httpcomponents.httpcore" version="4.3.3.v201411290715"/>
-      <unit id="org.apache.httpcomponents.httpcore.source" version="4.3.3.v201411290715"/>
-      <unit id="org.apache.httpcomponents.httpclient" version="4.3.6.v201511171540"/>
-      <unit id="org.apache.httpcomponents.httpclient.source" version="4.3.6.v201511171540"/>
+      <unit id="org.apache.httpcomponents.httpcore" version="4.4.6.v20170210-0925"/>
+      <unit id="org.apache.httpcomponents.httpcore.source" version="4.4.6.v20170210-0925"/>
+      <unit id="org.apache.httpcomponents.httpclient" version="4.5.2.v20170210-0925"/>
+      <unit id="org.apache.httpcomponents.httpclient.source" version="4.5.2.v20170210-0925"/>
       <unit id="org.apache.log4j" version="1.2.15.v201012070815"/>
       <unit id="org.apache.log4j.source" version="1.2.15.v201012070815"/>
       <unit id="org.kohsuke.args4j" version="2.33.0.v20160323-2218"/>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.8.target b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.8.target
index d4813e0d3..ddd3c1bb2 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.8.target
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.8.target
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde?>
 <!-- generated with https://github.com/mbarbero/fr.obeo.releng.targetplatform -->
-<target name="jgit-4.8" sequenceNumber="1511990767">
+<target name="jgit-4.8" sequenceNumber="1512295246">
   <locations>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.jetty.client" version="9.4.8.v20171121"/>
@@ -31,10 +31,10 @@
       <unit id="org.apache.commons.compress.source" version="1.6.0.v201310281400"/>
       <unit id="org.apache.commons.logging" version="1.1.1.v201101211721"/>
       <unit id="org.apache.commons.logging.source" version="1.1.1.v201101211721"/>
-      <unit id="org.apache.httpcomponents.httpcore" version="4.3.3.v201411290715"/>
-      <unit id="org.apache.httpcomponents.httpcore.source" version="4.3.3.v201411290715"/>
-      <unit id="org.apache.httpcomponents.httpclient" version="4.3.6.v201511171540"/>
-      <unit id="org.apache.httpcomponents.httpclient.source" version="4.3.6.v201511171540"/>
+      <unit id="org.apache.httpcomponents.httpcore" version="4.4.6.v20170210-0925"/>
+      <unit id="org.apache.httpcomponents.httpcore.source" version="4.4.6.v20170210-0925"/>
+      <unit id="org.apache.httpcomponents.httpclient" version="4.5.2.v20170210-0925"/>
+      <unit id="org.apache.httpcomponents.httpclient.source" version="4.5.2.v20170210-0925"/>
       <unit id="org.apache.log4j" version="1.2.15.v201012070815"/>
       <unit id="org.apache.log4j.source" version="1.2.15.v201012070815"/>
       <unit id="org.kohsuke.args4j" version="2.33.0.v20160323-2218"/>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/orbit/R20170516192513-Oxygen.tpd b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/orbit/R20170516192513-Oxygen.tpd
index f4cb57251..15507d331 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/orbit/R20170516192513-Oxygen.tpd
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/orbit/R20170516192513-Oxygen.tpd
@@ -10,10 +10,10 @@ location "http://download.eclipse.org/tools/orbit/downloads/drops/R2017051619251
 	org.apache.commons.compress.source [1.6.0.v201310281400,1.6.0.v201310281400]
 	org.apache.commons.logging [1.1.1.v201101211721,1.1.1.v201101211721]
 	org.apache.commons.logging.source [1.1.1.v201101211721,1.1.1.v201101211721]
-	org.apache.httpcomponents.httpcore [4.3.3.v201411290715,4.3.3.v201411290715]
-	org.apache.httpcomponents.httpcore.source [4.3.3.v201411290715,4.3.3.v201411290715]
-	org.apache.httpcomponents.httpclient [4.3.6.v201511171540,4.3.6.v201511171540]
-	org.apache.httpcomponents.httpclient.source [4.3.6.v201511171540,4.3.6.v201511171540]
+	org.apache.httpcomponents.httpcore [4.4.6.v20170210-0925,4.4.6.v20170210-0925]
+	org.apache.httpcomponents.httpcore.source [4.4.6.v20170210-0925,4.4.6.v20170210-0925]
+	org.apache.httpcomponents.httpclient [4.5.2.v20170210-0925,4.5.2.v20170210-0925]
+	org.apache.httpcomponents.httpclient.source [4.5.2.v20170210-0925,4.5.2.v20170210-0925]
 	org.apache.log4j [1.2.15.v201012070815,1.2.15.v201012070815]
 	org.apache.log4j.source [1.2.15.v201012070815,1.2.15.v201012070815]
 	org.kohsuke.args4j [2.33.0.v20160323-2218,2.33.0.v20160323-2218]
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/orbit/S20170912163609-Photon.tpd b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/orbit/S20170912163609-Photon.tpd
index c2524d3b6..0bdc2dfe6 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/orbit/S20170912163609-Photon.tpd
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/orbit/S20170912163609-Photon.tpd
@@ -10,10 +10,10 @@ location "http://download.eclipse.org/tools/orbit/downloads/drops/S2017091216360
 	org.apache.commons.compress.source [1.6.0.v201310281400,1.6.0.v201310281400]
 	org.apache.commons.logging [1.1.1.v201101211721,1.1.1.v201101211721]
 	org.apache.commons.logging.source [1.1.1.v201101211721,1.1.1.v201101211721]
-	org.apache.httpcomponents.httpcore [4.3.3.v201411290715,4.3.3.v201411290715]
-	org.apache.httpcomponents.httpcore.source [4.3.3.v201411290715,4.3.3.v201411290715]
-	org.apache.httpcomponents.httpclient [4.3.6.v201511171540,4.3.6.v201511171540]
-	org.apache.httpcomponents.httpclient.source [4.3.6.v201511171540,4.3.6.v201511171540]
+	org.apache.httpcomponents.httpcore [4.4.6.v20170210-0925,4.4.6.v20170210-0925]
+	org.apache.httpcomponents.httpcore.source [4.4.6.v20170210-0925,4.4.6.v20170210-0925]
+	org.apache.httpcomponents.httpclient [4.5.2.v20170210-0925,4.5.2.v20170210-0925]
+	org.apache.httpcomponents.httpclient.source [4.5.2.v20170210-0925,4.5.2.v20170210-0925]
 	org.apache.log4j [1.2.15.v201012070815,1.2.15.v201012070815]
 	org.apache.log4j.source [1.2.15.v201012070815,1.2.15.v201012070815]
 	org.kohsuke.args4j [2.33.0.v20160323-2218,2.33.0.v20160323-2218]
diff --git a/pom.xml b/pom.xml
index 4b7b37c1b..afa68a629 100644
--- a/pom.xml
+++ b/pom.xml
@@ -206,7 +206,8 @@
     <servlet-api-version>3.1.0</servlet-api-version>
     <jetty-version>9.4.8.v20171121</jetty-version>
     <japicmp-version>0.10.0</japicmp-version>
-    <httpclient-version>4.3.6</httpclient-version>
+    <httpclient-version>4.5.2</httpclient-version>
+    <httpcore-version>4.4.6</httpcore-version>
     <slf4j-version>1.7.2</slf4j-version>
     <log4j-version>1.2.15</log4j-version>
     <maven-javadoc-plugin-version>2.10.4</maven-javadoc-plugin-version>
@@ -654,6 +655,12 @@
         <version>${httpclient-version}</version>
       </dependency>
 
+      <dependency>
+        <groupId>org.apache.httpcomponents</groupId>
+        <artifactId>httpcore</artifactId>
+        <version>${httpcore-version}</version>
+      </dependency>
+
       <dependency>
         <groupId>org.slf4j</groupId>
         <artifactId>slf4j-api</artifactId>