Treasurys extended earlier gains on Wednesday after the Federal Reserve released the minutes from its latest policy meeting.
Benchmark 10-year notes were last up 15/32 in price to yield 2.087, a session low, compared to 2.122 percent prior to release of the minutes.
Federal Reserve officials are debating changes to how they may deploy their policy tools when they begin lifting U.S. short-term interest-rates from their current near-zero level, minutes from their January meeting show.
The Fed decided last year to use the so-called overnight reverse repurchase facility, known as RRP, to supplement two other more familiar policy rates when the time comes to lift borrowing costs, and in the most recent meeting debated raising the cap temporarily on the facility.
U.S. Treasury yields retreated from recent highs earlier on Wednesday as softer-than-forecast U.S. economic data.
Other maturities also posted price gains, which widened after the government reported that U.S. producer prices in January had their biggest monthly drop in more than five years.
Housing starts fell last month as manufacturing output inched up, according to other newly published data.
"From the Fed perspective, when you get inflation numbers like this, it's harder to move the needle on getting closer to raising rates," said Thomas Simons, money market economist at Jefferies LLC in New York. "It talks against the June hike."