As Russian missiles struck a key Ukrainian city, Russian President Vladimir Putin expanded a fast-track procedure for obtaining Russian citizenship to all Ukrainians on Monday, another effort to strengthen Moscow’s influence over war-torn Ukraine.

Until recently, only residents of Ukraine’s separatist eastern Donetsk and Luhansk regions, as well as residents of the southern Zaporizhzhia and the Kherson regions, large parts of which are now under Russian control, were eligible to apply for the simplified passport procedure.

Russian President Vladimir Putin has signed a decree expanding a fast track to Russian citizenship to all citizens of Ukraine, a document published on the government’s website showed.

Until recently, only residents of the self-proclaimed breakaway territories of the Donetsk People’s Republic (DPR) and Luhansk People’s Republic (LPR) in eastern Ukraine, which Russia seeks to “liberate” from Kyiv’s control, as well as the Russian-occupied regions of Kherson and Zaporizhia, were eligible for the simplified procedure.

Ukrainian officials were silent as Russian President Vladimir Putin expanded a fast-track citizenship path on Monday to Residents in Ukraine, according to the Associated Press.

The move to expand citizenship roles comes after a pivot in Russian strategy to settle for a war of attrition, according to the Wall Street Journal. Previously, the fast-track path was only available for residents in Russian-controlled territories of the eastern Donetsk and Luhansk regions and southern Zaporizhzhia and Kherson regions, the AP reported.