diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 692ef588..700d7b85 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -2,6 +2,9 @@
 Release Notes
 =============
 
+Unreleased
+================
+
 1.45.0
 ================
 
diff --git a/install_script.sh.template b/install_script.sh.template
index e4531d1b..8a114520 100644
--- a/install_script.sh.template
+++ b/install_script.sh.template
@@ -9,7 +9,7 @@ set -e
 
 DEPRECATION_MESSAGE_PLACEHOLDER
 
-install_script_version=1.45.0
+install_script_version=1.45.0.post
 logfile="ddagent-install.log"
 support_email=support@datadoghq.com
 variant=install_scriptINSTALL_INFO_VERSION_PLACEHOLDER
diff --git a/install_script_op_worker1.sh b/install_script_op_worker1.sh
index dd630740..1a3384a7 100755
--- a/install_script_op_worker1.sh
+++ b/install_script_op_worker1.sh
@@ -8,7 +8,7 @@
 
 set -e
 
-install_script_version=1.45.0
+install_script_version=1.45.0.post
 logfile="dd-install.log"
 support_email=support@datadoghq.com
 variant=install_script_op_worker1
diff --git a/install_script_op_worker2.sh b/install_script_op_worker2.sh
index 4fe8a701..0563ed37 100755
--- a/install_script_op_worker2.sh
+++ b/install_script_op_worker2.sh
@@ -8,7 +8,7 @@
 
 set -e
 
-install_script_version=1.45.0
+install_script_version=1.45.0.post
 logfile="dd-install.log"
 support_email=support@datadoghq.com
 variant=install_script_op_worker2