add lower bound for Optim

awllee · awllee · commit 373f611e88db · 2018-08-13T10:41:47.000+01:00
diff --git a/REQUIRE b/REQUIRE
@@ -1,6 +1,6 @@
 julia 0.7
 StatsBase
 Distributions
-Optim
+Optim 0.16
 Interpolations
 FFTW
