diff --git a/Doxyfile b/Doxyfile
index 7f2163e..e4936dc 100644
--- a/Doxyfile
+++ b/Doxyfile
@@ -38,7 +38,7 @@ PROJECT_NAME           = "PVData C++"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 8.0.8
+PROJECT_NUMBER         = 8.0.9
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
diff --git a/configure/CONFIG_PVDATA_VERSION b/configure/CONFIG_PVDATA_VERSION
index 2efeff0..1163f3f 100644
--- a/configure/CONFIG_PVDATA_VERSION
+++ b/configure/CONFIG_PVDATA_VERSION
@@ -2,7 +2,7 @@
 
 EPICS_PVD_MAJOR_VERSION = 8
 EPICS_PVD_MINOR_VERSION = 0
-EPICS_PVD_MAINTENANCE_VERSION = 8
+EPICS_PVD_MAINTENANCE_VERSION = 9
 
 # Development flag, set to zero for release versions
 
diff --git a/documentation/Doxyfile b/documentation/Doxyfile
index 54b4a6d..e8c0034 100644
--- a/documentation/Doxyfile
+++ b/documentation/Doxyfile
@@ -38,7 +38,7 @@ PROJECT_NAME           = "PVData C++"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 8.0.8
+PROJECT_NUMBER         = 8.0.9
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
diff --git a/documentation/release_notes.dox b/documentation/release_notes.dox
index ecb855e..b0a82c2 100644
--- a/documentation/release_notes.dox
+++ b/documentation/release_notes.dox
@@ -2,7 +2,7 @@
 
 @page release_notes Release Notes
 
-Release 8.0.8 (Oct 2026)
+Release 8.0.9 (Oct 2026)
 ========================
 
 - Add a max string len param to epics::pvData::SerializeHelper::deserializeString() (Andrew Johnson)