diff --git a/gr-osmosdr.spec b/gr-osmosdr.spec
index 3a953cb..b1ddc47 100644
--- a/gr-osmosdr.spec
+++ b/gr-osmosdr.spec
@@ -1,6 +1,6 @@
 Name:          gr-osmosdr
 Version:       0.2.5
-Release:       4mamba
+Release:       5mamba
 Summary:       GNU Radio block for interfacing with various radio hardware
 Group:         Applications/Communication
 Vendor:        openmamba
@@ -24,6 +24,7 @@ BuildRequires: libspdlog-devel
 BuildRequires: libstdc++6-devel
 BuildRequires: libvolk-devel
 ## AUTOBUILDREQ-END
+BuildRequires: librtlsdr-devel >= 2.0.1-1mamba
 BuildRequires: libgnuradio-devel >= 3.10.9.2-1mamba
 BuildRequires: libspdlog-devel >= 1.13.0-1mamba
 BuildRequires: libvolk-devel >= 3.1.0-1mamba
@@ -102,6 +103,9 @@ This package contains libraries and header files for developing applications tha
 
 
 %changelog
+* Sun Mar 24 2024 Automatic Build System <autodist@mambasoft.it> 0.2.5-5mamba
+- rebuilt by autoport with build requirements: librtlsdr-devel>=2.0.1-1mamba
+
 * Mon Feb 12 2024 Automatic Build System <autodist@mambasoft.it> 0.2.5-4mamba
 - rebuilt by autoport with build requirements: libgnuradio-devel>=3.10.9.2-1mamba,libgnuradio-devel>=3.10.9.2-1mamba