diff --git a/versions.lock b/versions.lock
index 885c12880..f6ea119cd 100644
--- a/versions.lock
+++ b/versions.lock
@@ -27,10 +27,10 @@ com.netflix.feign:feign-jackson:8.18.0 (1 constraints: 43056b3b)
 com.netflix.feign:feign-jaxrs:8.18.0 (1 constraints: 43056b3b)
 com.netflix.feign:feign-okhttp:8.18.0 (1 constraints: 43056b3b)
 com.netflix.feign:feign-slf4j:8.18.0 (1 constraints: 43056b3b)
-com.palantir.conjure.java.api:errors:2.6.0 (2 constraints: f61427b7)
+com.palantir.conjure.java.api:errors:2.6.0 (2 constraints: f91430b7)
 com.palantir.conjure.java.api:service-config:2.6.0 (1 constraints: 0a050736)
 com.palantir.conjure.java.api:ssl-config:2.6.0 (2 constraints: 9b17e95e)
-com.palantir.safe-logging:preconditions:1.11.0 (8 constraints: be777413)
+com.palantir.safe-logging:preconditions:1.11.0 (8 constraints: be777613)
 com.palantir.safe-logging:safe-logging:1.11.0 (7 constraints: 6e6a04ee)
 com.palantir.tokens:auth-tokens:3.6.1 (2 constraints: 85229f04)
 com.palantir.tracing:tracing:3.3.0 (4 constraints: 15368e02)
@@ -84,7 +84,7 @@ com.fasterxml.jackson.datatype:jackson-datatype-joda:2.9.9 (1 constraints: 8b0ec
 com.fasterxml.jackson.jaxrs:jackson-jaxrs-json-provider:2.9.9 (1 constraints: 340e2840)
 com.fasterxml.jackson.module:jackson-module-parameter-names:2.9.9 (1 constraints: 8b0ec44f)
 com.google.code.findbugs:annotations:3.0.1 (1 constraints: 9e0aafc3)
-com.palantir.conjure.java:conjure-lib:4.4.0 (1 constraints: 0a050b36)
+com.palantir.conjure.java:conjure-lib:4.5.0 (1 constraints: 0b050e36)
 com.palantir.ri:resource-identifier:1.0.1 (1 constraints: ea0f6699)
 com.palantir.safe-logging:preconditions-assertj:1.11.0 (1 constraints: 35052c3b)
 com.palantir.tracing:tracing-test-utils:3.2.0-rc1 (1 constraints: 3a061d4d)
diff --git a/versions.props b/versions.props
index 410f505df..9d0a31157 100644
--- a/versions.props
+++ b/versions.props
@@ -18,8 +18,8 @@ com.google.guava:guava = 23.6.1-jre
 com.jcraft:jzlib = 1.1.3
 com.netflix.concurrency-limits:* = 0.2.2
 com.netflix.feign:feign-*= 8.18.0
-com.palantir.conjure.java:conjure-java = 4.4.0
-com.palantir.conjure.java:conjure-lib = 4.4.0
+com.palantir.conjure.java:conjure-java = 4.5.0
+com.palantir.conjure.java:conjure-lib = 4.5.0
 com.palantir.conjure.java.api:* = 2.6.0
 com.palantir.conjure.verification:* = 0.16.7
 com.palantir.safe-logging:* = 1.11.0