diff --git a/letsencrypt-auto-source/letsencrypt-auto b/letsencrypt-auto-source/letsencrypt-auto
index 2e45a32f7..25c293898 100755
--- a/letsencrypt-auto-source/letsencrypt-auto
+++ b/letsencrypt-auto-source/letsencrypt-auto
@@ -1185,6 +1185,15 @@ zope.interface==4.1.3 \
 requests-toolbelt==0.8.0 \
     --hash=sha256:42c9c170abc2cacb78b8ab23ac957945c7716249206f90874651971a4acff237 \
     --hash=sha256:f6a531936c6fa4c6cfce1b9c10d5c4f498d16528d2a54a22ca00011205a187b5
+chardet==3.0.2 \
+    --hash=sha256:4f7832e7c583348a9eddd927ee8514b3bf717c061f57b21dbe7697211454d9bb \
+    --hash=sha256:6ebf56457934fdce01fb5ada5582762a84eed94cad43ed877964aebbdd8174c0
+urllib3==1.21.1 \
+    --hash=sha256:8ed6d5c1ff9d6ba84677310060d6a3a78ca3072ce0684cb3c645023009c114b1 \
+    --hash=sha256:b14486978518ca0901a76ba973d7821047409d7f726f22156b24e83fd71382a5
+certifi==2017.4.17 \
+    --hash=sha256:f4318671072f030a33c7ca6acaef720ddd50ff124d1388e50c1bda4cbd6d7010 \
+    --hash=sha256:f7527ebf7461582ce95f7a9e03dd141ce810d40590834f4ec20cddd54234c10a
 
 # Contains the requirements for the letsencrypt package.
 #
diff --git a/letsencrypt-auto-source/pieces/dependency-requirements.txt b/letsencrypt-auto-source/pieces/dependency-requirements.txt
index f4a6f30d1..78f430210 100644
--- a/letsencrypt-auto-source/pieces/dependency-requirements.txt
+++ b/letsencrypt-auto-source/pieces/dependency-requirements.txt
@@ -189,3 +189,12 @@ zope.interface==4.1.3 \
 requests-toolbelt==0.8.0 \
     --hash=sha256:42c9c170abc2cacb78b8ab23ac957945c7716249206f90874651971a4acff237 \
     --hash=sha256:f6a531936c6fa4c6cfce1b9c10d5c4f498d16528d2a54a22ca00011205a187b5
+chardet==3.0.2 \
+    --hash=sha256:4f7832e7c583348a9eddd927ee8514b3bf717c061f57b21dbe7697211454d9bb \
+    --hash=sha256:6ebf56457934fdce01fb5ada5582762a84eed94cad43ed877964aebbdd8174c0
+urllib3==1.21.1 \
+    --hash=sha256:8ed6d5c1ff9d6ba84677310060d6a3a78ca3072ce0684cb3c645023009c114b1 \
+    --hash=sha256:b14486978518ca0901a76ba973d7821047409d7f726f22156b24e83fd71382a5
+certifi==2017.4.17 \
+    --hash=sha256:f4318671072f030a33c7ca6acaef720ddd50ff124d1388e50c1bda4cbd6d7010 \
+    --hash=sha256:f7527ebf7461582ce95f7a9e03dd141ce810d40590834f4ec20cddd54234c10a