diff --git a/Thunderbird-Setup-52.2.1.exe.sha1sum b/Thunderbird-Setup-52.2.1.exe.sha1sum
deleted file mode 100644
index 8b63107..0000000
--- a/Thunderbird-Setup-52.2.1.exe.sha1sum
+++ /dev/null
@@ -1 +0,0 @@
-ddee0a0d4ab1995c2fbb214f1047a8aacd2e7d5b  /home/mario/.opsi-dist-cache/mozilla.thunderbird-52.2.1/X86/Thunderbird-Setup-52.2.1.exe
diff --git a/Thunderbird-Setup-52.3.0.exe.sha1sum b/Thunderbird-Setup-52.3.0.exe.sha1sum
new file mode 100644
index 0000000..9bf3c76
--- /dev/null
+++ b/Thunderbird-Setup-52.3.0.exe.sha1sum
@@ -0,0 +1 @@
+68782af4141a20f84331fc9045c41cb65a7bfce8  /home/mario/.opsi-dist-cache/mozilla.thunderbird-52.3.0/X86/Thunderbird-Setup-52.3.0.exe
diff --git a/Thunderbird-icon.png.sha1sum b/Thunderbird-icon.png.sha1sum
index fc4345b..0f57f41 100644
--- a/Thunderbird-icon.png.sha1sum
+++ b/Thunderbird-icon.png.sha1sum
@@ -1 +1 @@
-b8f28052a21e8fa903d663bab3921d5493c8d879  /home/mario/.opsi-dist-cache/mozilla.thunderbird-52.2.1//Thunderbird-icon.png
+b8f28052a21e8fa903d663bab3921d5493c8d879  /home/mario/.opsi-dist-cache/mozilla.thunderbird-52.3.0//Thunderbird-icon.png
diff --git a/builder-product.cfg b/builder-product.cfg
index fb3007c..b146b37 100644
--- a/builder-product.cfg
+++ b/builder-product.cfg
@@ -5,7 +5,7 @@ VENDOR="mozilla.org"
 PN="mozilla.thunderbird"
 NAME="Mozilla Thunderbird"
 DESCRIPTION="Mozilla Thunderbird ist ein freier eMail Client des Mozilla-Projekts."
-VERSION="52.2.1"
+VERSION="52.3.0"
 RELEASE="1"
 PRIORITY="0"
 ADVICE=""
@@ -24,7 +24,7 @@ DL_ARCH[1]="X86"
 DL_WINST_NAME[1]=InstallExe
 
 DL_FILE[2]="sogo-connector@inverse.ca.xpi"
-DL_SOURCE[2]="http://www.sogo.nu/files/downloads/SOGo/Thunderbird/sogo-connector-31.0.4.xpi"
+DL_SOURCE[2]="http://www.sogo.nu/files/downloads/SOGo/Thunderbird/sogo-connector-31.0.5.xpi"
 DL_ARCH[2]="X86"
 DL_EXTRACT_TO[2]="Addons/bundles"
 DL_WINST_NAME[2]=SogoConnectorPluginXpi
diff --git a/de_DE@dicts.j3e.de.xpi.sha1sum b/de_DE@dicts.j3e.de.xpi.sha1sum
index f847cd4..aeec9d3 100644
--- a/de_DE@dicts.j3e.de.xpi.sha1sum
+++ b/de_DE@dicts.j3e.de.xpi.sha1sum
@@ -1 +1 @@
-f931b4bf8aa342b2a3629b73867b7bd58817eaad  /home/mario/.opsi-dist-cache/mozilla.thunderbird-52.2.1/X86/de_DE@dicts.j3e.de.xpi
+91c38870ea2cdf0b2e5f50338b78705307da74b1  /home/mario/.opsi-dist-cache/mozilla.thunderbird-52.3.0/X86/de_DE@dicts.j3e.de.xpi
diff --git a/en-US@dictionaries.addons.mozilla.org.xpi.sha1sum b/en-US@dictionaries.addons.mozilla.org.xpi.sha1sum
index 47e9422..e56af64 100644
--- a/en-US@dictionaries.addons.mozilla.org.xpi.sha1sum
+++ b/en-US@dictionaries.addons.mozilla.org.xpi.sha1sum
@@ -1 +1 @@
-25e20b4165e06c0d964ee55a0721d8570e111d0b  /home/mario/.opsi-dist-cache/mozilla.thunderbird-52.2.1/X86/en-US@dictionaries.addons.mozilla.org.xpi
+25e20b4165e06c0d964ee55a0721d8570e111d0b  /home/mario/.opsi-dist-cache/mozilla.thunderbird-52.3.0/X86/en-US@dictionaries.addons.mozilla.org.xpi
diff --git a/quickfolders@curious.be.xpi.sha1sum b/quickfolders@curious.be.xpi.sha1sum
index feb8b1c..c67f93a 100644
--- a/quickfolders@curious.be.xpi.sha1sum
+++ b/quickfolders@curious.be.xpi.sha1sum
@@ -1 +1 @@
-fdba2fa3dd33bc58a2c94d49687dde01edf39191  /home/mario/.opsi-dist-cache/mozilla.thunderbird-52.2.1/X86/quickfolders@curious.be.xpi
+fdba2fa3dd33bc58a2c94d49687dde01edf39191  /home/mario/.opsi-dist-cache/mozilla.thunderbird-52.3.0/X86/quickfolders@curious.be.xpi
diff --git a/sogo-connector@inverse.ca.xpi.sha1sum b/sogo-connector@inverse.ca.xpi.sha1sum
index 9dbba1b..e00bf24 100644
--- a/sogo-connector@inverse.ca.xpi.sha1sum
+++ b/sogo-connector@inverse.ca.xpi.sha1sum
@@ -1 +1 @@
-761cb2ef752f9f7796b22fb16c2468fefa5e35df  /home/mario/.opsi-dist-cache/mozilla.thunderbird-52.2.1/X86/sogo-connector@inverse.ca.xpi
+b5c5fca13e661d0c4edfc9ca2935d01ce0192055  /home/mario/.opsi-dist-cache/mozilla.thunderbird-52.3.0/X86/sogo-connector@inverse.ca.xpi
diff --git a/{2ab1b709-ba03-4361-abf9-c50b964ff75d}.xpi.sha1sum b/{2ab1b709-ba03-4361-abf9-c50b964ff75d}.xpi.sha1sum
index 8dceb89..b4f551a 100644
--- a/{2ab1b709-ba03-4361-abf9-c50b964ff75d}.xpi.sha1sum
+++ b/{2ab1b709-ba03-4361-abf9-c50b964ff75d}.xpi.sha1sum
@@ -1 +1 @@
-eebb9975a6833dfcc419a3995d8a0f11399c0211  /home/mario/.opsi-dist-cache/mozilla.thunderbird-52.2.1/X86/{2ab1b709-ba03-4361-abf9-c50b964ff75d}.xpi
+fce2ec76057249af3bcdbd3cc1ff6660791057cc  /home/mario/.opsi-dist-cache/mozilla.thunderbird-52.3.0/X86/{2ab1b709-ba03-4361-abf9-c50b964ff75d}.xpi
diff --git a/{5e9999c2-ba1d-44b6-bcee-5b30ce37d3b0}.xpi.sha1sum b/{5e9999c2-ba1d-44b6-bcee-5b30ce37d3b0}.xpi.sha1sum
index a4c0dfb..5f858a8 100644
--- a/{5e9999c2-ba1d-44b6-bcee-5b30ce37d3b0}.xpi.sha1sum
+++ b/{5e9999c2-ba1d-44b6-bcee-5b30ce37d3b0}.xpi.sha1sum
@@ -1 +1 @@
-b9256b4f9ead7eaa1d212b3c0f88079d7b5413e7  /home/mario/.opsi-dist-cache/mozilla.thunderbird-52.2.1/X86/{5e9999c2-ba1d-44b6-bcee-5b30ce37d3b0}.xpi
+b9256b4f9ead7eaa1d212b3c0f88079d7b5413e7  /home/mario/.opsi-dist-cache/mozilla.thunderbird-52.3.0/X86/{5e9999c2-ba1d-44b6-bcee-5b30ce37d3b0}.xpi
diff --git a/{847b3a00-7ab1-11d4-8f02-006008948af5}.xpi.sha1sum b/{847b3a00-7ab1-11d4-8f02-006008948af5}.xpi.sha1sum
index 9eb3d65..1ba237a 100644
--- a/{847b3a00-7ab1-11d4-8f02-006008948af5}.xpi.sha1sum
+++ b/{847b3a00-7ab1-11d4-8f02-006008948af5}.xpi.sha1sum
@@ -1 +1 @@
-8f528b639bf7d7eab0d7910d4c4805c5d9f45a82  /home/mario/.opsi-dist-cache/mozilla.thunderbird-52.2.1/X86/{847b3a00-7ab1-11d4-8f02-006008948af5}.xpi
+71cc964b629cef14f2e0a0fff5aae9e41edfd137  /home/mario/.opsi-dist-cache/mozilla.thunderbird-52.3.0/X86/{847b3a00-7ab1-11d4-8f02-006008948af5}.xpi
diff --git a/{a300a000-5e21-4ee0-a115-9ec8f4eaa92b}.xpi.sha1sum b/{a300a000-5e21-4ee0-a115-9ec8f4eaa92b}.xpi.sha1sum
index a6c3266..4067f53 100644
--- a/{a300a000-5e21-4ee0-a115-9ec8f4eaa92b}.xpi.sha1sum
+++ b/{a300a000-5e21-4ee0-a115-9ec8f4eaa92b}.xpi.sha1sum
@@ -1 +1 @@
-5e10ab7949883336e7a89d03f7e0c3c6b2329a6c  /home/mario/.opsi-dist-cache/mozilla.thunderbird-52.2.1/X86/{a300a000-5e21-4ee0-a115-9ec8f4eaa92b}.xpi
+5e10ab7949883336e7a89d03f7e0c3c6b2329a6c  /home/mario/.opsi-dist-cache/mozilla.thunderbird-52.3.0/X86/{a300a000-5e21-4ee0-a115-9ec8f4eaa92b}.xpi