diff --git a/Thunderbird-Setup-52.5.0.exe.sha1sum b/Thunderbird-Setup-52.5.0.exe.sha1sum
deleted file mode 100644
index f09b177..0000000
--- a/Thunderbird-Setup-52.5.0.exe.sha1sum
+++ /dev/null
@@ -1 +0,0 @@
-6cf7f302aa62fbeac0576b63730abf41f702cac2  /home/mario/.opsi-dist-cache/mozilla.thunderbird-52.5.0/X86/Thunderbird-Setup-52.5.0.exe
diff --git a/Thunderbird-Setup-52.6.0.exe.sha1sum b/Thunderbird-Setup-52.6.0.exe.sha1sum
new file mode 100644
index 0000000..a1c862c
--- /dev/null
+++ b/Thunderbird-Setup-52.6.0.exe.sha1sum
@@ -0,0 +1 @@
+1a6b322eadfd3cc7a78815e778dbfe1609d66c8e  /home/mario/.opsi-dist-cache/mozilla.thunderbird-52.6.0/X86/Thunderbird-Setup-52.6.0.exe
diff --git a/Thunderbird-icon.png.sha1sum b/Thunderbird-icon.png.sha1sum
index 5cc58eb..272c72b 100644
--- a/Thunderbird-icon.png.sha1sum
+++ b/Thunderbird-icon.png.sha1sum
@@ -1 +1 @@
-b8f28052a21e8fa903d663bab3921d5493c8d879  /home/mario/.opsi-dist-cache/mozilla.thunderbird-52.5.0//Thunderbird-icon.png
+b8f28052a21e8fa903d663bab3921d5493c8d879  /home/mario/.opsi-dist-cache/mozilla.thunderbird-52.6.0//Thunderbird-icon.png
diff --git a/builder-product.cfg b/builder-product.cfg
index 6352f42..0631c02 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="52.5.0"
+VERSION="52.6.0"
 RELEASE="1"
 PRIORITY="0"
 ADVICE=""
diff --git a/de_DE@dicts.j3e.de.xpi.sha1sum b/de_DE@dicts.j3e.de.xpi.sha1sum
index 406c2bf..e002422 100644
--- a/de_DE@dicts.j3e.de.xpi.sha1sum
+++ b/de_DE@dicts.j3e.de.xpi.sha1sum
@@ -1 +1 @@
-7351e28ceb288fad7a94c552a9502fa625000d89  /home/mario/.opsi-dist-cache/mozilla.thunderbird-52.5.0/X86/de_DE@dicts.j3e.de.xpi
+7351e28ceb288fad7a94c552a9502fa625000d89  /home/mario/.opsi-dist-cache/mozilla.thunderbird-52.6.0/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 ee0dd56..f346317 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-52.5.0/X86/en-US@dictionaries.addons.mozilla.org.xpi
+25e20b4165e06c0d964ee55a0721d8570e111d0b  /home/mario/.opsi-dist-cache/mozilla.thunderbird-52.6.0/X86/en-US@dictionaries.addons.mozilla.org.xpi
diff --git a/quickfolders@curious.be.xpi.sha1sum b/quickfolders@curious.be.xpi.sha1sum
index 8105f42..a96206e 100644
--- a/quickfolders@curious.be.xpi.sha1sum
+++ b/quickfolders@curious.be.xpi.sha1sum
@@ -1 +1 @@
-260abb95e8a692a2dac313afe41f9bbdd2541cd2  /home/mario/.opsi-dist-cache/mozilla.thunderbird-52.5.0/X86/quickfolders@curious.be.xpi
+7864c55d85ebc483a6ac8abeaf89a1dc4bebaad8  /home/mario/.opsi-dist-cache/mozilla.thunderbird-52.6.0/X86/quickfolders@curious.be.xpi
diff --git a/sogo-connector@inverse.ca.xpi.sha1sum b/sogo-connector@inverse.ca.xpi.sha1sum
index 86aec1c..937738b 100644
--- a/sogo-connector@inverse.ca.xpi.sha1sum
+++ b/sogo-connector@inverse.ca.xpi.sha1sum
@@ -1 +1 @@
-b5c5fca13e661d0c4edfc9ca2935d01ce0192055  /home/mario/.opsi-dist-cache/mozilla.thunderbird-52.5.0/X86/sogo-connector@inverse.ca.xpi
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diff --git a/{2ab1b709-ba03-4361-abf9-c50b964ff75d}.xpi.sha1sum b/{2ab1b709-ba03-4361-abf9-c50b964ff75d}.xpi.sha1sum
index 83eb7b0..2ce2836 100644
--- a/{2ab1b709-ba03-4361-abf9-c50b964ff75d}.xpi.sha1sum
+++ b/{2ab1b709-ba03-4361-abf9-c50b964ff75d}.xpi.sha1sum
@@ -1 +1 @@
-fce2ec76057249af3bcdbd3cc1ff6660791057cc  /home/mario/.opsi-dist-cache/mozilla.thunderbird-52.5.0/X86/{2ab1b709-ba03-4361-abf9-c50b964ff75d}.xpi
+075fe5febc429ce0e1f5cdc1051e33ec1dd0dd03  /home/mario/.opsi-dist-cache/mozilla.thunderbird-52.6.0/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 baadf73..dd53d62 100644
--- a/{5e9999c2-ba1d-44b6-bcee-5b30ce37d3b0}.xpi.sha1sum
+++ b/{5e9999c2-ba1d-44b6-bcee-5b30ce37d3b0}.xpi.sha1sum
@@ -1 +1 @@
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diff --git a/{847b3a00-7ab1-11d4-8f02-006008948af5}.xpi.sha1sum b/{847b3a00-7ab1-11d4-8f02-006008948af5}.xpi.sha1sum
index 7d44c93..e10af22 100644
--- a/{847b3a00-7ab1-11d4-8f02-006008948af5}.xpi.sha1sum
+++ b/{847b3a00-7ab1-11d4-8f02-006008948af5}.xpi.sha1sum
@@ -1 +1 @@
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diff --git a/{a300a000-5e21-4ee0-a115-9ec8f4eaa92b}.xpi.sha1sum b/{a300a000-5e21-4ee0-a115-9ec8f4eaa92b}.xpi.sha1sum
index cebf0d1..619d9c0 100644
--- a/{a300a000-5e21-4ee0-a115-9ec8f4eaa92b}.xpi.sha1sum
+++ b/{a300a000-5e21-4ee0-a115-9ec8f4eaa92b}.xpi.sha1sum
@@ -1 +1 @@
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